#C9E83F#C9E83F

#C9E83F is a very light, vivid yellow-green. Relative luminance 0.705; OKLCH L 87.9% C 0.188 H 119.6°. Best body text is #000000 at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#C9E83F
RGB	rgb(201, 232, 63)
HSL	hsl(71, 79%, 58%)
HSV	hsv(71, 73%, 91%)
CMYK	cmyk(13.4%, 0%, 72.8%, 9%)
CIE-LAB	lab(87.24, -31.27, 73.63)
CIE-LCH	lch(87.24, 80.00, 113.01°)
OKLab	oklab(87.93% -0.0928 0.1631)
OKLCH	oklch(87.93% 0.188 119.6)
XYZ	xyz(53.8423, 70.4899, 15.4711)
Luminance	0.7049 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9E83F #5E3FE8

analogous

#E8B33F #C9E83F #74E83F

triadic

#C9E83F #3FC9E8 #E83FC9

tetradic

#C9E83F #3FE8B3 #5E3FE8 #E83F74

square

#C9E83F #3FE8B3 #5E3FE8 #E83F74

split-complementary

#C9E83F #3F74E8 #B33FE8

monochromatic

#819A12 #AFD119 #C9E83F #D8EF76 #E8F5AC

Accessibility & contrast

On white

1.39

#C9E83F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.10

#C9E83F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9E83F

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9E83F	#FFFFFF	#000000	##000000
##C9E83F	1.00	1.39	15.10	15.10
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.10	21.00	1.00	1.00
##000000	15.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DB1B

Deuteranopia (green-blind)

#F3DB4E

Tritanopia (blue-blind)

#D5DCC8

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #c9e83f;
/* rgb */ color: rgb(201, 232, 63);
/* oklch */ color: oklch(87.9% 0.188 119.6);

Tailwind

colors: {
  custom: {
    50: '#ddef80',
    500: '#c9e83f',
    950: '#000000',
  },
}

SCSS

$custom: #c9e83f;
$custom-light: #ddef80;
$custom-dark: #000000;

JSON

{
  "hex": "#c9e83f",
  "rgb": {
    "r": 201,
    "g": 232,
    "b": 63
  },
  "hsl": {
    "h": 71.006,
    "s": 78.605,
    "l": 57.843
  },
  "oklch": {
    "l": 0.87929,
    "c": 0.18767,
    "h": 119.6
  },
  "luminance": 0.7049
}

Semantic roles & 50–950 ramp

primary

#C9E83F

secondary

#422E9E

accent

#33F556

background

#FEFFFB

surface

#FCFEF2

border

#D5D6CC

text

#16160B

muted

#84857E

Preview Lab

Preview with #C9E83F

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

Preview Lab → · Contrast checker → · Palette generator →