#C9F85B#C9F85B

#C9F85B is a very light, vivid yellow-green. Relative luminance 0.803; OKLCH L 91.7% C 0.188 H 124.3°. Best body text is #000000 at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#C9F85B
RGB	rgb(201, 248, 91)
HSL	hsl(78, 92%, 66%)
HSV	hsv(78, 63%, 97%)
CMYK	cmyk(19%, 0%, 63.3%, 2.7%)
CIE-LAB	lab(91.82, -36.92, 68.08)
CIE-LCH	lch(91.82, 77.45, 118.47°)
OKLab	oklab(91.69% -0.106 0.1555)
OKLCH	oklch(91.69% 0.188 124.3)
XYZ	xyz(59.5435, 80.3072, 22.2594)
Luminance	0.8031 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F85B #8A5BF8

analogous

#F8D95B #C9F85B #7BF85B

triadic

#C9F85B #5BC9F8 #F85BC9

tetradic

#C9F85B #5BF8D9 #8A5BF8 #F85B7B

square

#C9F85B #5BF8D9 #8A5BF8 #F85B7B

split-complementary

#C9F85B #5B7BF8 #D95BF8

monochromatic

#94D009 #B6F520 #C9F85B #DCFB96 #F0FDD0

Accessibility & contrast

On white

1.23

#C9F85B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.06

#C9F85B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F85B

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F85B	#FFFFFF	#000000	##000000
##C9F85B	1.00	1.23	17.06	17.06
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.06	21.00	1.00	1.00
##000000	17.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE947

Deuteranopia (green-blind)

#FFE767

Tritanopia (blue-blind)

#D2EDD8

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #c9f85b;
/* rgb */ color: rgb(201, 248, 91);
/* oklch */ color: oklch(91.7% 0.188 124.3);

Tailwind

colors: {
  custom: {
    50: '#ddfa90',
    500: '#c9f85b',
    950: '#000000',
  },
}

SCSS

$custom: #c9f85b;
$custom-light: #ddfa90;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f85b",
  "rgb": {
    "r": 201,
    "g": 248,
    "b": 91
  },
  "hsl": {
    "h": 77.962,
    "s": 91.813,
    "l": 66.471
  },
  "oklch": {
    "l": 0.91687,
    "c": 0.18822,
    "h": 124.3
  },
  "luminance": 0.80308
}

Semantic roles & 50–950 ramp

primary

#C9F85B

secondary

#5C2CCB

accent

#00E645

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C9F85B

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

Preview Lab → · Contrast checker → · Palette generator →