#B1BD31#B1BD31

#B1BD31 is a light, vivid yellow. Relative luminance 0.460; OKLCH L 76.4% C 0.157 H 114.5°. Best body text is #000000 at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#B1BD31
RGB	rgb(177, 189, 49)
HSL	hsl(65, 59%, 47%)
HSV	hsv(65, 74%, 74%)
CMYK	cmyk(6.3%, 0%, 74.1%, 25.9%)
CIE-LAB	lab(73.52, -21.17, 64.62)
CIE-LCH	lch(73.52, 68.00, 108.14°)
OKLab	oklab(76.45% -0.0648 0.1425)
OKLCH	oklch(76.45% 0.157 114.5)
XYZ	xyz(36.8845, 45.9648, 9.8342)
Luminance	0.4596 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BD31 #3D31BD

analogous

#BD8331 #B1BD31 #6BBD31

triadic

#B1BD31 #31B1BD #BD31B1

tetradic

#B1BD31 #31BD83 #3D31BD #BD316B

square

#B1BD31 #31BD83 #3D31BD #BD316B

split-complementary

#B1BD31 #316BBD #8331BD

monochromatic

#565C18 #838C24 #B1BD31 #C9D458 #D9E088

Accessibility & contrast

On white

2.06

#B1BD31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.19

#B1BD31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BD31

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BD31	#FFFFFF	#000000	##000000
##B1BD31	1.00	2.06	10.19	10.19
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.19	21.00	1.00	1.00
##000000	10.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB312

Deuteranopia (green-blind)

#CAB63D

Tritanopia (blue-blind)

#BDB2A2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #b1bd31;
/* rgb */ color: rgb(177, 189, 49);
/* oklch */ color: oklch(76.4% 0.157 114.5);

Tailwind

colors: {
  custom: {
    50: '#ccd074',
    500: '#b1bd31',
    950: '#000000',
  },
}

SCSS

$custom: #b1bd31;
$custom-light: #ccd074;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bd31",
  "rgb": {
    "r": 177,
    "g": 189,
    "b": 49
  },
  "hsl": {
    "h": 65.143,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.76449,
    "c": 0.15651,
    "h": 114.5
  },
  "luminance": 0.45964
}

Semantic roles & 50–950 ramp

primary

#B1BD31

secondary

#8680CA

accent

#46E253

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141409

muted

#83827B

Preview Lab

Preview with #B1BD31

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

Preview Lab → · Contrast checker → · Palette generator →