#C9F55E#C9F55E

#C9F55E is a very light, vivid yellow-green. Relative luminance 0.785; OKLCH L 91.0% C 0.182 H 123.8°. Best body text is #000000 at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#C9F55E
RGB	rgb(201, 245, 94)
HSL	hsl(77, 88%, 66%)
HSV	hsv(77, 62%, 96%)
CMYK	cmyk(18%, 0%, 61.6%, 3.9%)
CIE-LAB	lab(91.02, -35.35, 66.02)
CIE-LCH	lch(91.02, 74.89, 118.17°)
OKLab	oklab(91.05% -0.1014 0.1515)
OKLCH	oklch(91.05% 0.182 123.8)
XYZ	xyz(58.7606, 78.5301, 22.6496)
Luminance	0.7853 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F55E #8A5EF5

analogous

#F5D55E #C9F55E #7EF55E

triadic

#C9F55E #5EC9F5 #F55EC9

tetradic

#C9F55E #5EF5D5 #8A5EF5 #F55E7E

square

#C9F55E #5EF5D5 #8A5EF5 #F55E7E

split-complementary

#C9F55E #5E7EF5 #D55EF5

monochromatic

#94CC0D #B6F124 #C9F55E #DCF998 #F0FCD1

Accessibility & contrast

On white

1.26

#C9F55E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.71

#C9F55E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F55E

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F55E	#FFFFFF	#000000	##000000
##C9F55E	1.00	1.26	16.71	16.71
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.71	21.00	1.00	1.00
##000000	16.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE74C

Deuteranopia (green-blind)

#FCE569

Tritanopia (blue-blind)

#D2EAD5

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #c9f55e;
/* rgb */ color: rgb(201, 245, 94);
/* oklch */ color: oklch(91.0% 0.182 123.8);

Tailwind

colors: {
  custom: {
    50: '#dcf892',
    500: '#c9f55e',
    950: '#000000',
  },
}

SCSS

$custom: #c9f55e;
$custom-light: #dcf892;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f55e",
  "rgb": {
    "r": 201,
    "g": 245,
    "b": 94
  },
  "hsl": {
    "h": 77.483,
    "s": 88.304,
    "l": 66.471
  },
  "oklch": {
    "l": 0.91048,
    "c": 0.18233,
    "h": 123.8
  },
  "luminance": 0.7853
}

Semantic roles & 50–950 ramp

primary

#C9F55E

secondary

#5C2FC8

accent

#01E543

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C9F55E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →