#B9CB39#B9CB39

#B9CB39 is a light, vivid yellow. Relative luminance 0.533; OKLCH L 80.3% C 0.165 H 116.4°. Best body text is #000000 at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#B9CB39
RGB	rgb(185, 203, 57)
HSL	hsl(67, 58%, 51%)
HSV	hsv(67, 72%, 80%)
CMYK	cmyk(8.9%, 0%, 71.9%, 20.4%)
CIE-LAB	lab(78.06, -24.30, 66.44)
CIE-LCH	lch(78.06, 70.75, 110.09°)
OKLab	oklab(80.26% -0.0732 0.1474)
OKLCH	oklch(80.26% 0.165 116.4)
XYZ	xyz(42.1031, 53.3221, 11.9443)
Luminance	0.5332 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9CB39 #4B39CB

analogous

#CB9439 #B9CB39 #70CB39

triadic

#B9CB39 #39B9CB #CB39B9

tetradic

#B9CB39 #39CB94 #4B39CB #CB3970

square

#B9CB39 #39CB94 #4B39CB #CB3970

split-complementary

#B9CB39 #3970CB #9439CB

monochromatic

#636D1D #8F9D29 #B9CB39 #CAD869 #DBE49A

Accessibility & contrast

On white

1.80

#B9CB39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.66

#B9CB39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9CB39

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9CB39	#FFFFFF	#000000	##000000
##B9CB39	1.00	1.80	11.66	11.66
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.66	21.00	1.00	1.00
##000000	11.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C01D

Deuteranopia (green-blind)

#D7C245

Tritanopia (blue-blind)

#C5BFAF

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #b9cb39;
/* rgb */ color: rgb(185, 203, 57);
/* oklch */ color: oklch(80.3% 0.165 116.4);

Tailwind

colors: {
  custom: {
    50: '#d2da79',
    500: '#b9cb39',
    950: '#000000',
  },
}

SCSS

$custom: #b9cb39;
$custom-light: #d2da79;
$custom-dark: #000000;

JSON

{
  "hex": "#b9cb39",
  "rgb": {
    "r": 185,
    "g": 203,
    "b": 57
  },
  "hsl": {
    "h": 67.397,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.80258,
    "c": 0.16461,
    "h": 116.4
  },
  "luminance": 0.53322
}

Semantic roles & 50–950 ramp

primary

#B9CB39

secondary

#3A3276

accent

#46E259

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B9CB39

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

Preview Lab → · Contrast checker → · Palette generator →