#B1B751#B1B751

#B1B751 is a light, vivid yellow. Relative luminance 0.438; OKLCH L 75.4% C 0.126 H 112.1°. Best body text is #000000 at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#B1B751
RGB	rgb(177, 183, 81)
HSL	hsl(64, 41%, 52%)
HSV	hsv(64, 56%, 72%)
CMYK	cmyk(3.3%, 0%, 55.7%, 28.2%)
CIE-LAB	lab(72.10, -16.14, 50.20)
CIE-LCH	lch(72.10, 52.74, 107.83°)
OKLab	oklab(75.39% -0.0475 0.1167)
OKLCH	oklch(75.39% 0.126 112.1)
XYZ	xyz(36.5510, 43.8089, 14.3135)
Luminance	0.4381 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B751 #5751B7

analogous

#B78A51 #B1B751 #7EB751

triadic

#B1B751 #51B1B7 #B751B1

tetradic

#B1B751 #51B78A #5751B7 #B7517E

square

#B1B751 #51B78A #5751B7 #B7517E

split-complementary

#B1B751 #517EB7 #8A51B7

monochromatic

#616429 #8A8F3B #B1B751 #C4C97C #D8DBA8

Accessibility & contrast

On white

2.15

#B1B751 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.76

#B1B751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B751

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B751	#FFFFFF	#000000	##000000
##B1B751	1.00	2.15	9.76	9.76
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.76	21.00	1.00	1.00
##000000	9.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AF46

Deuteranopia (green-blind)

#C4B257

Tritanopia (blue-blind)

#BCADA1

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #b1b751;
/* rgb */ color: rgb(177, 183, 81);
/* oklch */ color: oklch(75.4% 0.126 112.1);

Tailwind

colors: {
  custom: {
    50: '#cacc85',
    500: '#b1b751',
    950: '#000000',
  },
}

SCSS

$custom: #b1b751;
$custom-light: #cacc85;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b751",
  "rgb": {
    "r": 177,
    "g": 183,
    "b": 81
  },
  "hsl": {
    "h": 63.529,
    "s": 41.463,
    "l": 51.765
  },
  "oklch": {
    "l": 0.7539,
    "c": 0.12603,
    "h": 112.1
  },
  "luminance": 0.43808
}

Semantic roles & 50–950 ramp

primary

#B1B751

secondary

#9E9CC8

accent

#57D15E

background

#FCFCF8

surface

#F9F8EF

border

#D2D1CA

text

#14130B

muted

#82827C

Preview Lab

Preview with #B1B751

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

Preview Lab → · Contrast checker → · Palette generator →