Curated

Optics: spectra of various substances. Colour aquatint by R.H. Digeon, ca. 1868.

Optics: spectra of various substances. Colour aquatint by R.H. Digeon, ca. 1868.

https://www.rawpixel.com/image/13960664/image-background-art-patternFree Image from public domain license

Spectrum analysis : six lectures, delivered in 1868, before the Society of Apothecaries of London / by Sir Henry E. Roscoe ;…

Spectrum analysis : six lectures, delivered in 1868, before the Society of Apothecaries of London / by Sir Henry E. Roscoe ;…

https://www.rawpixel.com/image/13969825/image-book-art-patternFree Image from public domain license

Rainbow spectrum gradient line dark background

Rainbow spectrum gradient line dark background

https://www.rawpixel.com/image/2608637/free-illustration-image-texture-black-background-lightView license

Optics: spectra of various stars, including our sun. Coloured process print by Cassell.

Optics: spectra of various stars, including our sun. Coloured process print by Cassell.

https://www.rawpixel.com/image/13957739/image-stars-sun-circleFree Image from public domain license

Gay spectrum rainbow gradient wallpaper

Gay spectrum rainbow gradient wallpaper

https://www.rawpixel.com/image/2614513/free-illustration-image-rainbow-neon-gradientView license

These twin "Christmas Trees" were formed by an instrument which records the proton beam of Argonne's ZGS. Original public…

These twin "Christmas Trees" were formed by an instrument which records the proton beam of Argonne's ZGS. Original public…

https://www.rawpixel.com/image/3322282/free-photo-image-aec-beam-cc0Free Image from public domain license

Rainbow spectrum gradient line pastel background

Rainbow spectrum gradient line pastel background

https://www.rawpixel.com/image/2608648/free-illustration-image-light-leak-rainbow-rainbow-backgroundView license

Orange and blue abstract map contour lines banner

Orange and blue abstract map contour lines banner

https://www.rawpixel.com/image/554350/colorful-abstract-contour-lines-collectionView license

Spectrum analysis : six lectures, delivered in 1868, before the Society of Apothecaries of London / by Sir Henry E. Roscoe ;…

Spectrum analysis : six lectures, delivered in 1868, before the Society of Apothecaries of London / by Sir Henry E. Roscoe ;…

https://www.rawpixel.com/image/16122107/image-book-pattern-artFree Image from public domain license

Blue and red abstract map contour lines background

Blue and red abstract map contour lines background

https://www.rawpixel.com/image/554316/colorful-abstract-contour-lines-illustrationView license

Rainbow light background rainbow.

Rainbow light background rainbow.

https://www.rawpixel.com/image/16534634/rainbow-light-background-rainbowView license

PNG Bright pastel rainbow light background rays illumination.

PNG Bright pastel rainbow light background rays illumination.

https://www.rawpixel.com/image/15829390/png-bright-pastel-rainbow-light-background-rays-illuminationView license

Rainbow spectrum light dispersion wallpaper

Rainbow spectrum light dispersion wallpaper

https://www.rawpixel.com/image/2614481/free-illustration-image-gradient-background-black-rainbow-wallpaperView license

Elements of astronomy (1875) chromolithograph art by Sir Norman Lockyer. Original public domain image from Wikimedia…

Elements of astronomy (1875) chromolithograph art by Sir Norman Lockyer. Original public domain image from Wikimedia…

https://www.rawpixel.com/image/10184725/image-cloud-galaxy-faceFree Image from public domain license

PNG Colorful iridescent bubble against black

PNG Colorful iridescent bubble against black

https://www.rawpixel.com/image/15307855/png-colorful-iridescent-bubble-against-blackView license

Closeup of rainbow spring toy background

Closeup of rainbow spring toy background

https://www.rawpixel.com/image/392277/colorful-toyView license

Digital abstract light backgrounds pattern.

Digital abstract light backgrounds pattern.

https://www.rawpixel.com/image/12419401/image-background-abstract-artView license

Rainbow spectrum gradient line dark background

Rainbow spectrum gradient line dark background

https://www.rawpixel.com/image/2608483/free-illustration-image-light-leak-black-card-backgroundView license

Rainbow spectrum ghost effect vector lens flare

Rainbow spectrum ghost effect vector lens flare

https://www.rawpixel.com/image/2872689/premium-illustration-vector-lens-flare-red-aesthetic-lightView license

Orange and blue abstract map contour lines banner

Orange and blue abstract map contour lines banner

https://www.rawpixel.com/image/554171/colorful-abstract-contour-lines-collectionView license

Color samples in all colors. Visit Kaboompics for more free images.

Color samples in all colors. Visit Kaboompics for more free images.

https://www.rawpixel.com/image/435627/color-swatch-cardView license

Sun reflecting with shadow background

Sun reflecting with shadow background

https://www.rawpixel.com/image/2410433/free-photo-image-sun-rays-sunshine-flareView license

Png rainbow light design element

Png rainbow light design element

https://www.rawpixel.com/image/3399836/free-illustration-png-arch-blueView license

Png deep blue spectrum transparent aesthetic lens flare design element

Png deep blue spectrum transparent aesthetic lens flare design element

https://www.rawpixel.com/image/2872201/free-illustration-png-alien-blur-alienView license

PNG Designer color chart spectrum backgrounds white background creativity.

PNG Designer color chart spectrum backgrounds white background creativity.

https://www.rawpixel.com/image/12903303/png-paper-artView license

Gradient heart shape. Free public domain CC0 photo.

Gradient heart shape. Free public domain CC0 photo.

https://www.rawpixel.com/image/6030205/photo-image-texture-light-heartFree Image from public domain license

Prism light on wall. Free public domain CC0 image.

Prism light on wall. Free public domain CC0 image.

https://www.rawpixel.com/image/6033528/photo-image-light-public-domain-natureFree Image from public domain license

Blue and red abstract map contour lines background set

Blue and red abstract map contour lines background set

https://www.rawpixel.com/image/554210/colorful-abstract-contour-lines-illustrationView license

Png rainbow light design element

Png rainbow light design element

https://www.rawpixel.com/image/3399816/free-illustration-png-clip-art-archView license

Identifier: elementsofastron00lock (find matches)Title: Elements of astronomy: accompanied with numerous illustrations, a…

Identifier: elementsofastron00lock (find matches)Title: Elements of astronomy: accompanied with numerous illustrations, a…

https://www.rawpixel.com/image/9976023/image-art-space-vintageFree Image from public domain license

Free colorful gradient background, public domain CC0 photo.

Free colorful gradient background, public domain CC0 photo.

https://www.rawpixel.com/image/5923402/photo-image-aesthetic-backgroundFree Image from public domain license

Self reflection background, surreal psychedelic art vector

Self reflection background, surreal psychedelic art vector

https://www.rawpixel.com/image/3989393/illustration-vector-background-art-pinkView license

Orange and blue abstract map contour lines banner

Orange and blue abstract map contour lines banner

https://www.rawpixel.com/image/554353/colorful-abstract-contour-lines-collectionView license

Free soap bubble close up public domain CC0 photo.

Free soap bubble close up public domain CC0 photo.

https://www.rawpixel.com/image/5913268/image-public-domain-bubble-freeFree Image from public domain license

Png rainbow light design element

Png rainbow light design element

https://www.rawpixel.com/image/3399811/free-illustration-png-rainbow-yellow-stickerView license

Abstract Gradient Background

Abstract Gradient Background

https://www.rawpixel.com/image/5967457/abstract-gradient-backgroundFree Image from public domain license

Self reflection background, surreal psychedelic art vector

Self reflection background, surreal psychedelic art vector

https://www.rawpixel.com/image/3989394/illustration-vector-background-art-pinkView license

Spectrum text effect psd editable template

Spectrum text effect psd editable template

https://www.rawpixel.com/image/3086261/free-illustration-psd-text-star-effectView license

Png rainbow light design element

Png rainbow light design element

https://www.rawpixel.com/image/3399837/free-illustration-png-arch-blueView license

Rainbow pride flag flying in the daytime breeze. Original public domain image from Wikimedia Commons

Rainbow pride flag flying in the daytime breeze. Original public domain image from Wikimedia Commons

https://www.rawpixel.com/image/3336859/free-photo-image-pride-lgbtq-flagFree Image from public domain license

Png rainbow light design element

Png rainbow light design element

https://www.rawpixel.com/image/3399830/free-illustration-png-arch-blueView license

Free public domain CC0 photo.

Free public domain CC0 photo.

https://www.rawpixel.com/image/6050271/free-public-domain-cc0-photoFree Image from public domain license

Blue and pink abstract map contour lines banners set

Blue and pink abstract map contour lines banners set

https://www.rawpixel.com/image/554344/colorful-abstract-contour-lines-setView license

Colorful abstract patterned background vector

Colorful abstract patterned background vector

https://www.rawpixel.com/image/597221/colorful-patternView license

Pink and blue abstract map contour lines banner

Pink and blue abstract map contour lines banner

https://www.rawpixel.com/image/554225/colorful-abstract-contour-lines-illustrationView license

Rainbow spectrum line abstract background

Rainbow spectrum line abstract background

https://www.rawpixel.com/image/2608447/free-illustration-image-light-leak-background-texture-black-spectrumView license

Png blue spectrum transparent png lens flare design element

Png blue spectrum transparent png lens flare design element

https://www.rawpixel.com/image/2872285/free-illustration-png-alien-abstract-aestheticView license

Closeup of rainbow spring toy background

Closeup of rainbow spring toy background

https://www.rawpixel.com/image/392197/free-photo-image-flexible-kids-play-toys-spectrumView license

Png rainbow spectrum ghost effect transparent lens flare

Png rainbow spectrum ghost effect transparent lens flare

https://www.rawpixel.com/image/2872706/free-illustration-png-disco-rainbow-lens-flareView license

Rainbow spectrum line abstract background

Rainbow spectrum line abstract background

https://www.rawpixel.com/image/2608458/free-illustration-image-light-leak-lineView license

Gay men holding hands

Gay men holding hands

https://www.rawpixel.com/image/91677/free-photo-image-gay-pride-togethernessView license

Company branding logo design vector

https://www.rawpixel.com/image/842225/colorful-business-logo-designView license

Rainbow after the rain over the Atlantic ocean in the Faroe Islands

Rainbow after the rain over the Atlantic ocean in the Faroe Islands

https://www.rawpixel.com/image/2329868/free-photo-image-rain-rainy-rainbowView license

Round empty red circle vector illustration

Round empty red circle vector illustration

https://www.rawpixel.com/image/476077/free-photo-image-red-button-art-trafficView license

Rainbow after the rain over the Atlantic ocean in the Faroe Islands

Rainbow after the rain over the Atlantic ocean in the Faroe Islands

https://www.rawpixel.com/image/2329774/free-photo-image-rain-spectrum-faroeView license

Blue and red abstract map contour lines background

Blue and red abstract map contour lines background

https://www.rawpixel.com/image/554308/colorful-abstract-contour-lines-illustrationView license

Orange and blue abstract map contour lines banners set

Orange and blue abstract map contour lines banners set

https://www.rawpixel.com/image/554331/colorful-abstract-contour-lines-collectionView license

PNG Futuristic digital art collage, transparent background

PNG Futuristic digital art collage, transparent background

https://www.rawpixel.com/image/24697029/png-futuristic-digital-art-collage-transparent-backgroundView license

Futuristic digital art collage remix design

Futuristic digital art collage remix design

https://www.rawpixel.com/image/24692228/futuristic-digital-art-collage-remix-designView license

Colorful light bulb illustration

Colorful light bulb illustration

https://www.rawpixel.com/image/24466488/colorful-light-bulb-illustrationView license

Colorful abstract light waves

Colorful abstract light waves

https://www.rawpixel.com/image/24391942/colorful-abstract-light-wavesView license

Vibrant eye digital artwork.

Vibrant eye digital artwork.

https://www.rawpixel.com/image/24464768/vibrant-eye-digital-artworkView license

PNG Colorful thermal delivery truck

PNG Colorful thermal delivery truck

https://www.rawpixel.com/image/24602757/png-colorful-thermal-delivery-truckView license

Colorful thermal delivery truck

Colorful thermal delivery truck

https://www.rawpixel.com/image/24638851/colorful-thermal-delivery-truckView license

Blue and pink abstract map contour lines background

Blue and pink abstract map contour lines background

https://www.rawpixel.com/image/554202/colorful-abstract-contour-lines-illustrationView license

PNG isolated single bubble effect, transparent background

PNG isolated single bubble effect, transparent background

https://www.rawpixel.com/image/12479974/png-background-moonView license

Abstract bokeh blurred lights background

Abstract bokeh blurred lights background

https://www.rawpixel.com/image/2260752/free-photo-image-background-sparkle-lightView license

PNG Rainbow nature sky backgrounds

PNG Rainbow nature sky backgrounds

https://www.rawpixel.com/image/12034534/png-white-background-cloudView license

PNG Rainbow pastel toy architecture

PNG Rainbow pastel toy architecture

https://www.rawpixel.com/image/12389411/png-white-background-cloudView license

Layered A-Z alphabet png set uppercase letters rainbow font

Layered A-Z alphabet png set uppercase letters rainbow font

https://www.rawpixel.com/image/2625198/free-illustration-png-paper-sticker-alphabetView license

Rainbow png sticker, cute weather transparent clipart

Rainbow png sticker, cute weather transparent clipart

https://www.rawpixel.com/image/3890097/illustration-png-sticker-cloudView license

PNG Rainbow nature cloud sky

PNG Rainbow nature cloud sky

https://www.rawpixel.com/image/12058588/png-white-background-cloudView license

Backgrounds wrinkled silk aluminium

Backgrounds wrinkled silk aluminium

https://www.rawpixel.com/image/12561300/backgrounds-wrinkled-silk-aluminium-generated-image-rawpixelView license

Aesthetic holographic bubble background backgrounds sphere transparent.

Aesthetic holographic bubble background backgrounds sphere transparent.

https://www.rawpixel.com/image/12222729/image-background-abstract-borderView license

Magical flying pirate ship fantasy remix

Magical flying pirate ship fantasy remix

https://www.rawpixel.com/image/12670305/magical-flying-pirate-ship-fantasy-remixView license

A letter layered rainbow glitter png sticker alphabet font

A letter layered rainbow glitter png sticker alphabet font

https://www.rawpixel.com/image/2586647/free-illustration-png-alphabet-glitter-stickerView license

PNG Rainbow nature cloud sky

PNG Rainbow nature cloud sky

https://www.rawpixel.com/image/12183735/png-white-background-cloudView license

$PNG Architecture refraction simplicity spectrum.$

PNG Architecture refraction simplicity spectrum.

https://www.rawpixel.com/image/12299266/png-white-backgroundView license

Png dollar sign rainbow 3d typography paper texture

Png dollar sign rainbow 3d typography paper texture

https://www.rawpixel.com/image/2525099/free-illustration-png-sticker-money-dollarView license

Fluid word 3d vintage typography rainbow gradient texture

Fluid word 3d vintage typography rainbow gradient texture

https://www.rawpixel.com/image/2557743/free-illustration-image-gradient-background-rainbowView license

Rainbow vector sky template for social media story

Rainbow vector sky template for social media story

https://www.rawpixel.com/image/3820229/illustration-vector-wallpaper-pink-rainbowView license

Layered rainbow glitter alphabet png set lowercase letter font

Layered rainbow glitter alphabet png set lowercase letter font

https://www.rawpixel.com/image/2625246/free-illustration-png-sticker-alphabetView license

Aesthetic rainbow png design element

Aesthetic rainbow png design element

https://www.rawpixel.com/image/3816042/aesthetic-rainbow-png-design-elementView license

Png question mark sign rainbow 3d typography lgbt pattern

Png question mark sign rainbow 3d typography lgbt pattern

https://www.rawpixel.com/image/2589306/free-illustration-png-question-mark-rainbowView license

PNG Sphere disco celebration.

PNG Sphere disco celebration.

https://www.rawpixel.com/image/12373282/png-white-backgroundView license

Png hashtag font 3d glitter rainbow typeface

Png hashtag font 3d glitter rainbow typeface

https://www.rawpixel.com/image/2594132/free-illustration-png-rainbow-vintage-stickerView license

PNG Foil texture overlay effect, transparent background

PNG Foil texture overlay effect, transparent background

https://www.rawpixel.com/image/12609578/png-foil-texture-overlay-effect-transparent-backgroundView license

Cute seamless kids pattern background, rainbow vector illustration

Cute seamless kids pattern background, rainbow vector illustration

https://www.rawpixel.com/image/3885723/illustration-vector-background-pattern-blueView license

PNG Rainbow nature sky backgrounds.

PNG Rainbow nature sky backgrounds.

https://www.rawpixel.com/image/12033894/png-white-background-cloudView license

Png alphabet s 3d vintage rainbow font typography

Png alphabet s 3d vintage rainbow font typography

https://www.rawpixel.com/image/2520404/free-illustration-png-alphabet-letter-graphicView license

PNG Outdoors rainbow nature sky.

PNG Outdoors rainbow nature sky.

https://www.rawpixel.com/image/12033452/png-white-background-cloudView license

PNG LGBTQ+ flag, transparent background

PNG LGBTQ+ flag, transparent background

https://www.rawpixel.com/image/14124112/png-lgbtq-flag-transparent-backgroundView license

LGBTQ word 3d effect typeface rainbow gradient

LGBTQ word 3d effect typeface rainbow gradient

https://www.rawpixel.com/image/2557758/free-illustration-image-rainbow-gradient-lesbianView license

Question mark font psd vintage typography 3d glitter texture

Question mark font psd vintage typography 3d glitter texture

https://www.rawpixel.com/image/2589326/free-illustration-psd-question-rainbow-layered-typographyView license

Cute rainbow sticker, printable weather clipart vector

Cute rainbow sticker, printable weather clipart vector

https://www.rawpixel.com/image/3890074/illustration-vector-rainbow-cuteView license

Glitter rainbow alphabet psd set gay pride lowercase font

Glitter rainbow alphabet psd set gay pride lowercase font

https://www.rawpixel.com/image/2625228/free-illustration-psd-alphabet-glitter-prideView license

Happy pride month text 3d vintage word art glitter texture

Happy pride month text 3d vintage word art glitter texture

https://www.rawpixel.com/image/2557953/free-illustration-image-love-pride-month-lesbianView license

Cute boy with down syndrome in a graduation gown

Cute boy with down syndrome in a graduation gown

https://www.rawpixel.com/image/2318729/premium-photo-image-graduation-syndrome-down-student-boyView license

PNG rainbow light ray effect, transparent background

PNG rainbow light ray effect, transparent background

https://www.rawpixel.com/image/12477781/png-background-skyView license

Globular cluster png astrology, transparent background. Remixed by rawpixel.

Globular cluster png astrology, transparent background. Remixed by rawpixel.

https://www.rawpixel.com/image/10205175/png-cloud-galaxy-faceView license

24,688 results for "spectrum"

rainbow design png illustration light abstract graphic colorful pattern isolated

Spectrum Images · Download free stock photos, transparent PNGs, HD backgrounds & mobile wallpapers. Discover high quality design resources including vector graphics, PSD mockups and creative fonts. Browse beautiful illustrations & original artworks.

Want to get in touch? We’d love to hear from you!

contact@rawpixel.com

join our Discord channel

©2025 Rawpixel Ltd.
User Terms
Privacy Cookie Policy

Pricing
Licenses
FAQ

About
Affiliate Program
Charity Templates
Join us