#B9D03B#B9D03B

#B9D03B is a light, vivid yellow. Relative luminance 0.557; OKLCH L 81.4% C 0.169 H 118.0°. Best body text is #000000 at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#B9D03B
RGB	rgb(185, 208, 59)
HSL	hsl(69, 61%, 52%)
HSV	hsv(69, 72%, 82%)
CMYK	cmyk(11.1%, 0%, 71.6%, 18.4%)
CIE-LAB	lab(79.47, -26.61, 67.10)
CIE-LCH	lch(79.47, 72.19, 111.63°)
OKLab	oklab(81.39% -0.0794 0.1492)
OKLCH	oklch(81.39% 0.169 118)
XYZ	xyz(43.3538, 55.7422, 12.6123)
Luminance	0.5574 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9D03B #523BD0

analogous

#D09D3B #B9D03B #6ED03B

triadic

#B9D03B #3BB9D0 #D03BB9

tetradic

#B9D03B #3BD09D #523BD0 #D03B6E

square

#B9D03B #3BD09D #523BD0 #D03B6E

split-complementary

#B9D03B #3B6ED0 #9D3BD0

monochromatic

#67751C #93A628 #B9D03B #CBDC6C #DCE89E

Accessibility & contrast

On white

1.73

#B9D03B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.15

#B9D03B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9D03B

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9D03B	#FFFFFF	#000000	##000000
##B9D03B	1.00	1.73	12.15	12.15
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.15	21.00	1.00	1.00
##000000	12.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC51F

Deuteranopia (green-blind)

#DBC647

Tritanopia (blue-blind)

#C4C5B3

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b9d03b;
/* rgb */ color: rgb(185, 208, 59);
/* oklch */ color: oklch(81.4% 0.169 118.0);

Tailwind

colors: {
  custom: {
    50: '#d2de7b',
    500: '#b9d03b',
    950: '#000000',
  },
}

SCSS

$custom: #b9d03b;
$custom-light: #d2de7b;
$custom-dark: #000000;

JSON

{
  "hex": "#b9d03b",
  "rgb": {
    "r": 185,
    "g": 208,
    "b": 59
  },
  "hsl": {
    "h": 69.262,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.81388,
    "c": 0.16899,
    "h": 118
  },
  "luminance": 0.55742
}

Semantic roles & 50–950 ramp

primary

#B9D03B

secondary

#3E327D

accent

#43E45C

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B9D03B

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

Preview Lab → · Contrast checker → · Palette generator →