#C9DA39#C9DA39

#C9DA39 is a very light, vivid yellow. Relative luminance 0.629; OKLCH L 84.8% C 0.176 H 115.6°. Best body text is #000000 at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#C9DA39
RGB	rgb(201, 218, 57)
HSL	hsl(66, 69%, 54%)
HSV	hsv(66, 74%, 85%)
CMYK	cmyk(7.8%, 0%, 73.9%, 14.5%)
CIE-LAB	lab(83.37, -24.95, 71.90)
CIE-LCH	lch(83.37, 76.11, 109.14°)
OKLab	oklab(84.81% -0.0759 0.1585)
OKLCH	oklch(84.81% 0.176 115.6)
XYZ	xyz(49.8987, 62.8565, 13.3740)
Luminance	0.6286 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9DA39 #4A39DA

analogous

#DA9A39 #C9DA39 #79DA39

triadic

#C9DA39 #39C9DA #DA39C9

tetradic

#C9DA39 #39DA9A #4A39DA #DA3979

square

#C9DA39 #39DA9A #4A39DA #DA3979

split-complementary

#C9DA39 #3979DA #9A39DA

monochromatic

#768118 #A5B422 #C9DA39 #D7E46D #E5EDA0

Accessibility & contrast

On white

1.55

#C9DA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.57

#C9DA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9DA39

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9DA39	#FFFFFF	#000000	##000000
##C9DA39	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)

#E9CF14

Deuteranopia (green-blind)

#E8D147

Tritanopia (blue-blind)

#D6CDBC

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #c9da39;
/* rgb */ color: rgb(201, 218, 57);
/* oklch */ color: oklch(84.8% 0.176 115.6);

Tailwind

colors: {
  custom: {
    50: '#dde57b',
    500: '#c9da39',
    950: '#000000',
  },
}

SCSS

$custom: #c9da39;
$custom-light: #dde57b;
$custom-dark: #000000;

JSON

{
  "hex": "#c9da39",
  "rgb": {
    "r": 201,
    "g": 218,
    "b": 57
  },
  "hsl": {
    "h": 66.335,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.84807,
    "c": 0.1757,
    "h": 115.6
  },
  "luminance": 0.62856
}

Semantic roles & 50–950 ramp

primary

#C9DA39

secondary

#393088

accent

#3CEB4F

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#16150A

muted

#84847D

Preview Lab

Preview with #C9DA39

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

Preview Lab → · Contrast checker → · Palette generator →