#C9DD37#C9DD37

#C9DD37 is a very light, vivid yellow. Relative luminance 0.644; OKLCH L 85.5% C 0.180 H 116.5°. Best body text is #000000 at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#C9DD37
RGB	rgb(201, 221, 55)
HSL	hsl(67, 71%, 54%)
HSV	hsv(67, 75%, 87%)
CMYK	cmyk(9%, 0%, 75.1%, 13.3%)
CIE-LAB	lab(84.18, -26.47, 73.29)
CIE-LCH	lch(84.18, 77.92, 109.86°)
OKLab	oklab(85.45% -0.0802 0.1611)
OKLCH	oklch(85.45% 0.18 116.5)
XYZ	xyz(50.6348, 64.4070, 13.3781)
Luminance	0.6441 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9DD37 #4B37DD

analogous

#DD9E37 #C9DD37 #76DD37

triadic

#C9DD37 #37C9DD #DD37C9

tetradic

#C9DD37 #37DD9E #4B37DD #DD3776

square

#C9DD37 #37DD9E #4B37DD #DD3776

split-complementary

#C9DD37 #3776DD #9E37DD

monochromatic

#768316 #A5B81F #C9DD37 #D7E66B #E5EFA0

Accessibility & contrast

On white

1.51

#C9DD37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.88

#C9DD37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9DD37

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9DD37	#FFFFFF	#000000	##000000
##C9DD37	1.00	1.51	13.88	13.88
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.88	21.00	1.00	1.00
##000000	13.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD10A

Deuteranopia (green-blind)

#EBD346

Tritanopia (blue-blind)

#D6D0BE

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #c9dd37;
/* rgb */ color: rgb(201, 221, 55);
/* oklch */ color: oklch(85.5% 0.180 116.5);

Tailwind

colors: {
  custom: {
    50: '#dde77b',
    500: '#c9dd37',
    950: '#000000',
  },
}

SCSS

$custom: #c9dd37;
$custom-light: #dde77b;
$custom-dark: #000000;

JSON

{
  "hex": "#c9dd37",
  "rgb": {
    "r": 201,
    "g": 221,
    "b": 55
  },
  "hsl": {
    "h": 67.229,
    "s": 70.94,
    "l": 54.118
  },
  "oklch": {
    "l": 0.85454,
    "c": 0.17995,
    "h": 116.5
  },
  "luminance": 0.64406
}

Semantic roles & 50–950 ramp

primary

#C9DD37

secondary

#392E8A

accent

#3AEE50

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#16160A

muted

#84847D

Preview Lab

Preview with #C9DD37

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

Preview Lab → · Contrast checker → · Palette generator →