#C9F255#C9F255

#C9F255 is a very light, vivid yellow-green. Relative luminance 0.766; OKLCH L 90.3% C 0.185 H 122.7°. Best body text is #000000 at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#C9F255
RGB	rgb(201, 242, 85)
HSL	hsl(76, 86%, 64%)
HSV	hsv(76, 65%, 95%)
CMYK	cmyk(16.9%, 0%, 64.9%, 5.1%)
CIE-LAB	lab(90.13, -34.62, 68.64)
CIE-LCH	lch(90.13, 76.87, 116.76°)
OKLab	oklab(90.3% -0.1002 0.1559)
OKLCH	oklch(90.3% 0.185 122.7)
XYZ	xyz(57.4798, 76.5774, 20.3453)
Luminance	0.7658 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F255 #7E55F2

analogous

#F2CD55 #C9F255 #7BF255

triadic

#C9F255 #55C9F2 #F255C9

tetradic

#C9F255 #55F2CD #7E55F2 #F2557B

square

#C9F255 #55F2CD #7E55F2 #F2557B

split-complementary

#C9F255 #557BF2 #CD55F2

monochromatic

#90BE0F #B7EE1C #C9F255 #DBF68E #EDFBC7

Accessibility & contrast

On white

1.29

#C9F255 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.32

#C9F255 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F255

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F255	#FFFFFF	#000000	##000000
##C9F255	1.00	1.29	16.32	16.32
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.32	21.00	1.00	1.00
##000000	16.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE440

Deuteranopia (green-blind)

#FAE361

Tritanopia (blue-blind)

#D3E6D2

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #c9f255;
/* rgb */ color: rgb(201, 242, 85);
/* oklch */ color: oklch(90.3% 0.185 122.7);

Tailwind

colors: {
  custom: {
    50: '#ddf68c',
    500: '#c9f255',
    950: '#000000',
  },
}

SCSS

$custom: #c9f255;
$custom-light: #ddf68c;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f255",
  "rgb": {
    "r": 201,
    "g": 242,
    "b": 85
  },
  "hsl": {
    "h": 75.669,
    "s": 85.792,
    "l": 64.118
  },
  "oklch": {
    "l": 0.90304,
    "c": 0.1853,
    "h": 122.7
  },
  "luminance": 0.76578
}

Semantic roles & 50–950 ramp

primary

#C9F255

secondary

#542FBC

accent

#03E23D

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C9F255

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

Preview Lab → · Contrast checker → · Palette generator →