#B4C139#B4C139

#B4C139 is a light, vivid yellow. Relative luminance 0.481; OKLCH L 77.6% C 0.155 H 114.8°. Best body text is #000000 at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#B4C139
RGB	rgb(180, 193, 57)
HSL	hsl(66, 54%, 49%)
HSV	hsv(66, 70%, 76%)
CMYK	cmyk(6.7%, 0%, 70.5%, 24.3%)
CIE-LAB	lab(74.91, -21.49, 63.24)
CIE-LCH	lch(74.91, 66.79, 108.77°)
OKLab	oklab(77.64% -0.0651 0.1408)
OKLCH	oklch(77.64% 0.155 114.8)
XYZ	xyz(38.6319, 48.1393, 11.1268)
Luminance	0.4814 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C139 #4639C1

analogous

#C18A39 #B4C139 #70C139

triadic

#B4C139 #39B4C1 #C139B4

tetradic

#B4C139 #39C18A #4639C1 #C13970

square

#B4C139 #39C18A #4639C1 #C13970

split-complementary

#B4C139 #3970C1 #8A39C1

monochromatic

#5C631D #88922B #B4C139 #C7D266 #D8E095

Accessibility & contrast

On white

1.98

#B4C139 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.63

#B4C139 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C139

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C139	#FFFFFF	#000000	##000000
##B4C139	1.00	1.98	10.63	10.63
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.63	21.00	1.00	1.00
##000000	10.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB722

Deuteranopia (green-blind)

#CEBA44

Tritanopia (blue-blind)

#C0B6A6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #b4c139;
/* rgb */ color: rgb(180, 193, 57);
/* oklch */ color: oklch(77.6% 0.155 114.8);

Tailwind

colors: {
  custom: {
    50: '#ced378',
    500: '#b4c139',
    950: '#000000',
  },
}

SCSS

$custom: #b4c139;
$custom-light: #ced378;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c139",
  "rgb": {
    "r": 180,
    "g": 193,
    "b": 57
  },
  "hsl": {
    "h": 65.735,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.77635,
    "c": 0.15517,
    "h": 114.8
  },
  "luminance": 0.48139
}

Semantic roles & 50–950 ramp

primary

#B4C139

secondary

#918BCB

accent

#4ADE58

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141409

muted

#83827B

Preview Lab

Preview with #B4C139

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

Preview Lab → · Contrast checker → · Palette generator →