#C9DE57#C9DE57

#C9DE57 is a very light, vivid yellow. Relative luminance 0.653; OKLCH L 85.9% C 0.160 H 117.4°. Best body text is #000000 at 14.07:1 contrast (WCAG AA passes).

Color values

HEX	#C9DE57
RGB	rgb(201, 222, 87)
HSL	hsl(69, 67%, 61%)
HSV	hsv(69, 61%, 87%)
CMYK	cmyk(9.5%, 0%, 60.8%, 12.9%)
CIE-LAB	lab(84.66, -25.14, 62.01)
CIE-LCH	lch(84.66, 66.91, 112.07°)
OKLab	oklab(85.91% -0.0736 0.1421)
OKLCH	oklch(85.91% 0.16 117.4)
XYZ	xyz(51.9299, 65.3487, 18.8929)
Luminance	0.6535 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9DE57 #6C57DE

analogous

#DEAF57 #C9DE57 #86DE57

triadic

#C9DE57 #57C9DE #DE57C9

tetradic

#C9DE57 #57DEAF #6C57DE #DE5786

square

#C9DE57 #57DEAF #6C57DE #DE5786

split-complementary

#C9DE57 #5786DE #AF57DE

monochromatic

#889C1F #B5CF29 #C9DE57 #D9E88A #EAF2BD

Accessibility & contrast

On white

1.49

#C9DE57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.07

#C9DE57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9DE57

14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9DE57	#FFFFFF	#000000	##000000
##C9DE57	1.00	1.49	14.07	14.07
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.07	21.00	1.00	1.00
##000000	14.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD347

Deuteranopia (green-blind)

#EAD460

Tritanopia (blue-blind)

#D4D3C2

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #c9de57;
/* rgb */ color: rgb(201, 222, 87);
/* oklch */ color: oklch(85.9% 0.160 117.4);

Tailwind

colors: {
  custom: {
    50: '#dce88c',
    500: '#c9de57',
    950: '#000000',
  },
}

SCSS

$custom: #c9de57;
$custom-light: #dce88c;
$custom-dark: #000000;

JSON

{
  "hex": "#c9de57",
  "rgb": {
    "r": 201,
    "g": 222,
    "b": 87
  },
  "hsl": {
    "h": 69.333,
    "s": 67.164,
    "l": 60.588
  },
  "oklch": {
    "l": 0.85912,
    "c": 0.16007,
    "h": 117.4
  },
  "luminance": 0.65348
}

Semantic roles & 50–950 ramp

primary

#C9DE57

secondary

#493AA0

accent

#16CF33

background

#FEFEFC

surface

#FCFCF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C9DE57

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

Preview Lab → · Contrast checker → · Palette generator →