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#90E91C Color

#90E91C is rgb(144, 233, 28) in RGB, hsl(86, 82%, 51%) in HSL, and about cmyk(38%, 0%, 88%, 9%) in CMYK. It has no registered color name of its own — the closest is Green Lizard (#A7F432), clearly related but distinguishable side by side at ΔE 6.1. Black text is the more readable choice on this background.

#90E91C
HEX#90E91C
RGBrgb(144, 233, 28)
HSLhsl(86, 82%, 51%)
HSVhsv(86, 88%, 91%)
CMYKcmyk(38%, 0%, 88%, 9%)
OKLCHoklch(84.5% 0.229 132.2)
LABlab(84.32% -48.34 76.96)
LCHlch(84.32% 90.88 122.13)

What #90E91C Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #90E91C, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Browse the full index of named colors A-Z or every green in the library.

#90E91C Channel Values

How #90E91C breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 144 · G 233 · B 288-bit channels as sent to the display
HSLH 86° · S 82% · L 51%Easiest model for building lighter and darker variants
HSVH 86° · S 88% · V 91%Matches the picker in most design tools
CMYKC 38% · M 0% · Y 88% · K 9%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.52:1 vs white · 13.86:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #90E91C background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text1.52:1AA normal AA large AAA normal
TextBlack text13.86:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #90E91C in the contrast checker.

Colors That Go With #90E91C

Pairings derived from color-wheel relationships. The complementary color sits opposite #90E91C; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #90E91C

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #90E91C.

How #90E91C Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#90E91C
Protanopia#DDDD1F
Protanomaly#C3E21E
Deuteranopia#D1D12D
Deuteranomaly#BBDB27
Tritanopia#A6DCDC
Tritanomaly#9EE1B0
Achromatopsia#D2D2D2

Test a full palette in the color blindness simulator.

Using #90E91C in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-90e91c: #90E91C;
CSS backgroundbackground-color: #90E91C;
Tailwind configcolors: { 'color-90e91c': '#90E91C' }
SwiftUIColor(red: 0.565, green: 0.914, blue: 0.110)
Android XML<color name="color_90e91c">#90E91C</color>
SVG fillfill="#90E91C"

More Green Colors

#90E91C sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

#90E91C Frequently Asked Questions

What color is #90E91C?

#90E91C is a mid-tone green — rgb(144, 233, 28) in RGB and hsl(86, 82%, 51%) in HSL. It carries no registered color name of its own; the closest named color is Green Lizard (#A7F432), which is clearly related but distinguishable side by side at a CIE76 distance of 6.1.

What is the RGB value of #90E91C?

#90E91C is rgb(144, 233, 28) — red 144, green 233, and blue 28 on the 0-255 scale.

What is the CMYK value of #90E91C?

#90E91C converts to approximately cmyk(38%, 0%, 88%, 9%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #90E91C be black or white?

Black text is the more readable choice. #90E91C scores 1.52:1 against white and 13.86:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #90E91C as a CSS color keyword?

No. #90E91C is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is greenyellow (#ADFF2F) at a CIE76 distance of 8.83, which is clearly related but distinguishable side by side.

Open #90E91C in a Tool

Keep exploring: every green in the color library, the guide to shades of green, or the full color library.