#C9DA37#C9DA37

#C9DA37 is a very light, vivid yellow. Relative luminance 0.628; OKLCH L 84.8% C 0.177 H 115.6°. Best body text is #000000 at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#C9DA37
RGB	rgb(201, 218, 55)
HSL	hsl(66, 69%, 54%)
HSV	hsv(66, 75%, 85%)
CMYK	cmyk(7.8%, 0%, 74.8%, 14.5%)
CIE-LAB	lab(83.36, -25.04, 72.53)
CIE-LCH	lch(83.36, 76.73, 109.05°)
OKLab	oklab(84.8% -0.0763 0.1595)
OKLCH	oklch(84.8% 0.177 115.6)
XYZ	xyz(49.8498, 62.8370, 13.1164)
Luminance	0.6284 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9DA37 #4837DA

analogous

#DA9937 #C9DA37 #77DA37

triadic

#C9DA37 #37C9DA #DA37C9

tetradic

#C9DA37 #37DA99 #4837DA #DA3777

square

#C9DA37 #37DA99 #4837DA #DA3777

split-complementary

#C9DA37 #3777DA #9937DA

monochromatic

#747F18 #A4B321 #C9DA37 #D7E46B #E5ED9E

Accessibility & contrast

On white

1.55

#C9DA37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.57

#C9DA37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9DA37

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9DA37	#FFFFFF	#000000	##000000
##C9DA37	1.00	1.55	13.57	13.57
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.57	21.00	1.00	1.00
##000000	13.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EACF0D

Deuteranopia (green-blind)

#E8D145

Tritanopia (blue-blind)

#D6CDBB

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #c9da37;
/* rgb */ color: rgb(201, 218, 55);
/* oklch */ color: oklch(84.8% 0.177 115.6);

Tailwind

colors: {
  custom: {
    50: '#dde57a',
    500: '#c9da37',
    950: '#000000',
  },
}

SCSS

$custom: #c9da37;
$custom-light: #dde57a;
$custom-dark: #000000;

JSON

{
  "hex": "#c9da37",
  "rgb": {
    "r": 201,
    "g": 218,
    "b": 55
  },
  "hsl": {
    "h": 66.258,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.84795,
    "c": 0.17676,
    "h": 115.6
  },
  "luminance": 0.62836
}

Semantic roles & 50–950 ramp

primary

#C9DA37

secondary

#382F86

accent

#3CEC4E

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#16150A

muted

#84847D

Preview Lab

Preview with #C9DA37

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

Preview Lab → · Contrast checker → · Palette generator →