#B1BD37#B1BD37

#B1BD37 is a light, vivid yellow. Relative luminance 0.460; OKLCH L 76.5% C 0.153 H 114.5°. Best body text is #000000 at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#B1BD37
RGB	rgb(177, 189, 55)
HSL	hsl(65, 55%, 48%)
HSV	hsv(65, 71%, 74%)
CMYK	cmyk(6.3%, 0%, 70.9%, 25.9%)
CIE-LAB	lab(73.56, -20.88, 62.56)
CIE-LCH	lch(73.56, 65.95, 108.45°)
OKLab	oklab(76.49% -0.0634 0.1392)
OKLCH	oklch(76.49% 0.153 114.5)
XYZ	xyz(37.0197, 46.0188, 10.5461)
Luminance	0.4602 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BD37 #4337BD

analogous

#BD8637 #B1BD37 #6EBD37

triadic

#B1BD37 #37B1BD #BD37B1

tetradic

#B1BD37 #37BD86 #4337BD #BD376E

square

#B1BD37 #37BD86 #4337BD #BD376E

split-complementary

#B1BD37 #376EBD #8637BD

monochromatic

#585E1B #858E29 #B1BD37 #C7D160 #D8DF90

Accessibility & contrast

On white

2.06

#B1BD37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.20

#B1BD37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BD37

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BD37	#FFFFFF	#000000	##000000
##B1BD37	1.00	2.06	10.20	10.20
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.20	21.00	1.00	1.00
##000000	10.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB41F

Deuteranopia (green-blind)

#CAB642

Tritanopia (blue-blind)

#BDB2A3

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #b1bd37;
/* rgb */ color: rgb(177, 189, 55);
/* oklch */ color: oklch(76.5% 0.153 114.5);

Tailwind

colors: {
  custom: {
    50: '#ccd077',
    500: '#b1bd37',
    950: '#000000',
  },
}

SCSS

$custom: #b1bd37;
$custom-light: #ccd077;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bd37",
  "rgb": {
    "r": 177,
    "g": 189,
    "b": 55
  },
  "hsl": {
    "h": 65.373,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.76488,
    "c": 0.15294,
    "h": 114.5
  },
  "luminance": 0.46018
}

Semantic roles & 50–950 ramp

primary

#B1BD37

secondary

#8C86C9

accent

#4ADE57

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#141409

muted

#82827B

Preview Lab

Preview with #B1BD37

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

Preview Lab → · Contrast checker → · Palette generator →