#B1C137#B1C137

#B1C137 is a light, vivid yellow. Relative luminance 0.478; OKLCH L 77.4% C 0.157 H 116.0°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#B1C137
RGB	rgb(177, 193, 55)
HSL	hsl(67, 56%, 49%)
HSV	hsv(67, 72%, 76%)
CMYK	cmyk(8.3%, 0%, 71.5%, 24.3%)
CIE-LAB	lab(74.68, -22.85, 63.65)
CIE-LCH	lch(74.68, 67.63, 109.75°)
OKLab	oklab(77.39% -0.0689 0.1415)
OKLCH	oklch(77.39% 0.157 116)
XYZ	xyz(37.8920, 47.7634, 10.8368)
Luminance	0.4776 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C137 #4737C1

analogous

#C18C37 #B1C137 #6CC137

triadic

#B1C137 #37B1C1 #C137B1

tetradic

#B1C137 #37C18C #4737C1 #C1376C

square

#B1C137 #37C18C #4737C1 #C1376C

split-complementary

#B1C137 #376CC1 #8C37C1

monochromatic

#5A621C #859129 #B1C137 #C6D263 #D7E092

Accessibility & contrast

On white

1.99

#B1C137 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#B1C137 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C137

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C137	#FFFFFF	#000000	##000000
##B1C137	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB71E

Deuteranopia (green-blind)

#CDB942

Tritanopia (blue-blind)

#BCB6A6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #b1c137;
/* rgb */ color: rgb(177, 193, 55);
/* oklch */ color: oklch(77.4% 0.157 116.0);

Tailwind

colors: {
  custom: {
    50: '#ccd377',
    500: '#b1c137',
    950: '#000000',
  },
}

SCSS

$custom: #b1c137;
$custom-light: #ccd377;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c137",
  "rgb": {
    "r": 177,
    "g": 193,
    "b": 55
  },
  "hsl": {
    "h": 66.957,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.77385,
    "c": 0.15736,
    "h": 116
  },
  "luminance": 0.47763
}

Semantic roles & 50–950 ramp

primary

#B1C137

secondary

#9089CB

accent

#49DF5A

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#141409

muted

#82827B

Preview Lab

Preview with #B1C137

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

Preview Lab → · Contrast checker → · Palette generator →