#C9DD3A#C9DD3A

#C9DD3A is a very light, vivid yellow. Relative luminance 0.644; OKLCH L 85.5% C 0.178 H 116.5°. Best body text is #000000 at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#C9DD3A
RGB	rgb(201, 221, 58)
HSL	hsl(67, 71%, 55%)
HSV	hsv(67, 74%, 87%)
CMYK	cmyk(9%, 0%, 73.8%, 13.3%)
CIE-LAB	lab(84.19, -26.34, 72.36)
CIE-LCH	lch(84.19, 77.00, 110.00°)
OKLab	oklab(85.47% -0.0796 0.1596)
OKLCH	oklch(85.47% 0.178 116.5)
XYZ	xyz(50.7089, 64.4366, 13.7684)
Luminance	0.6444 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9DD3A #4E3ADD

analogous

#DDA03A #C9DD3A #78DD3A

triadic

#C9DD3A #3AC9DD #DD3AC9

tetradic

#C9DD3A #3ADDA0 #4E3ADD #DD3A78

square

#C9DD3A #3ADDA0 #4E3ADD #DD3A78

split-complementary

#C9DD3A #3A78DD #A03ADD

monochromatic

#788617 #A7BA20 #C9DD3A #D7E66E #E6EFA2

Accessibility & contrast

On white

1.51

#C9DD3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.89

#C9DD3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9DD3A

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9DD3A	#FFFFFF	#000000	##000000
##C9DD3A	1.00	1.51	13.89	13.89
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.89	21.00	1.00	1.00
##000000	13.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD115

Deuteranopia (green-blind)

#EBD348

Tritanopia (blue-blind)

#D6D0BE

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #c9dd3a;
/* rgb */ color: rgb(201, 221, 58);
/* oklch */ color: oklch(85.5% 0.178 116.5);

Tailwind

colors: {
  custom: {
    50: '#dde77c',
    500: '#c9dd3a',
    950: '#000000',
  },
}

SCSS

$custom: #c9dd3a;
$custom-light: #dde77c;
$custom-dark: #000000;

JSON

{
  "hex": "#c9dd3a",
  "rgb": {
    "r": 201,
    "g": 221,
    "b": 58
  },
  "hsl": {
    "h": 67.362,
    "s": 70.563,
    "l": 54.706
  },
  "oklch": {
    "l": 0.85472,
    "c": 0.17837,
    "h": 116.5
  },
  "luminance": 0.64436
}

Semantic roles & 50–950 ramp

primary

#C9DD3A

secondary

#3B2F8C

accent

#3AED50

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#16160A

muted

#84847D

Preview Lab

Preview with #C9DD3A

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

Preview Lab → · Contrast checker → · Palette generator →