#B1C131#B1C131

#B1C131 is a light, vivid yellow. Relative luminance 0.477; OKLCH L 77.3% C 0.161 H 115.9°. Best body text is #000000 at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#B1C131
RGB	rgb(177, 193, 49)
HSL	hsl(67, 60%, 47%)
HSV	hsv(67, 75%, 76%)
CMYK	cmyk(8.3%, 0%, 74.6%, 24.3%)
CIE-LAB	lab(74.64, -23.14, 65.67)
CIE-LCH	lch(74.64, 69.63, 109.41°)
OKLab	oklab(77.35% -0.0703 0.1447)
OKLCH	oklch(77.35% 0.161 115.9)
XYZ	xyz(37.7568, 47.7094, 10.1250)
Luminance	0.4771 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C131 #4131C1

analogous

#C18931 #B1C131 #69C131

triadic

#B1C131 #31B1C1 #C131B1

tetradic

#B1C131 #31C189 #4131C1 #C13169

square

#B1C131 #31C189 #4131C1 #C13169

split-complementary

#B1C131 #3169C1 #8931C1

monochromatic

#575F18 #849025 #B1C131 #C7D55A #D8E28B

Accessibility & contrast

On white

1.99

#B1C131 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.54

#B1C131 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C131

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C131	#FFFFFF	#000000	##000000
##B1C131	1.00	1.99	10.54	10.54
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.54	21.00	1.00	1.00
##000000	10.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB70F

Deuteranopia (green-blind)

#CDB93E

Tritanopia (blue-blind)

#BCB6A6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #b1c131;
/* rgb */ color: rgb(177, 193, 49);
/* oklch */ color: oklch(77.3% 0.161 115.9);

Tailwind

colors: {
  custom: {
    50: '#ccd374',
    500: '#b1c131',
    950: '#000000',
  },
}

SCSS

$custom: #b1c131;
$custom-light: #ccd374;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c131",
  "rgb": {
    "r": 177,
    "g": 193,
    "b": 49
  },
  "hsl": {
    "h": 66.667,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.77347,
    "c": 0.16084,
    "h": 115.9
  },
  "luminance": 0.47709
}

Semantic roles & 50–950 ramp

primary

#B1C131

secondary

#8A82CC

accent

#45E357

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141409

muted

#83827B

Preview Lab

Preview with #B1C131

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

Preview Lab → · Contrast checker → · Palette generator →