#B9CD39#B9CD39

#B9CD39 is a light, vivid yellow. Relative luminance 0.543; OKLCH L 80.7% C 0.167 H 117.1°. Best body text is #000000 at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#B9CD39
RGB	rgb(185, 205, 57)
HSL	hsl(68, 60%, 51%)
HSV	hsv(68, 72%, 80%)
CMYK	cmyk(9.8%, 0%, 72.2%, 19.6%)
CIE-LAB	lab(78.62, -25.27, 66.98)
CIE-LCH	lch(78.62, 71.58, 110.67°)
OKLab	oklab(80.7% -0.0759 0.1486)
OKLCH	oklch(80.7% 0.167 117.1)
XYZ	xyz(42.5784, 54.2729, 12.1028)
Luminance	0.5427 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9CD39 #4D39CD

analogous

#CD9739 #B9CD39 #6FCD39

triadic

#B9CD39 #39B9CD #CD39B9

tetradic

#B9CD39 #39CD97 #4D39CD #CD396F

square

#B9CD39 #39CD97 #4D39CD #CD396F

split-complementary

#B9CD39 #396FCD #9739CD

monochromatic

#646F1C #90A028 #B9CD39 #CAD96A #DCE69B

Accessibility & contrast

On white

1.77

#B9CD39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.85

#B9CD39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9CD39

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9CD39	#FFFFFF	#000000	##000000
##B9CD39	1.00	1.77	11.85	11.85
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.85	21.00	1.00	1.00
##000000	11.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC21C

Deuteranopia (green-blind)

#D9C345

Tritanopia (blue-blind)

#C4C1B0

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #b9cd39;
/* rgb */ color: rgb(185, 205, 57);
/* oklch */ color: oklch(80.7% 0.167 117.1);

Tailwind

colors: {
  custom: {
    50: '#d2dc7a',
    500: '#b9cd39',
    950: '#000000',
  },
}

SCSS

$custom: #b9cd39;
$custom-light: #d2dc7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b9cd39",
  "rgb": {
    "r": 185,
    "g": 205,
    "b": 57
  },
  "hsl": {
    "h": 68.108,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.80704,
    "c": 0.16682,
    "h": 117.1
  },
  "luminance": 0.54272
}

Semantic roles & 50–950 ramp

primary

#B9CD39

secondary

#3B3279

accent

#45E35A

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B9CD39

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

Preview Lab → · Contrast checker → · Palette generator →