#B1B31E#B1B31E

#B1B31E is a light, vivid yellow. Relative luminance 0.417; OKLCH L 74.1% C 0.155 H 110.5°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#B1B31E
RGB	rgb(177, 179, 30)
HSL	hsl(61, 71%, 41%)
HSV	hsv(61, 83%, 70%)
CMYK	cmyk(1.1%, 0%, 83.2%, 29.8%)
CIE-LAB	lab(70.65, -16.87, 67.57)
CIE-LCH	lch(70.65, 69.65, 104.02°)
OKLab	oklab(74.12% -0.0543 0.1454)
OKLCH	oklch(74.12% 0.155 110.5)
XYZ	xyz(34.4872, 41.6821, 7.4568)
Luminance	0.4168 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B31E #201EB3

analogous

#B36A1E #B1B31E #66B31E

triadic

#B1B31E #1EB1B3 #B31EB1

tetradic

#B1B31E #1EB36A #201EB3 #B31E66

square

#B1B31E #1EB36A #201EB3 #B31E66

split-complementary

#B1B31E #1E66B3 #6A1EB3

monochromatic

#494A0C #7D7F15 #B1B31E #DADD32 #E4E566

Accessibility & contrast

On white

2.25

#B1B31E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.34

#B1B31E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B31E

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B31E	#FFFFFF	#000000	##000000
##B1B31E	1.00	2.25	9.34	9.34
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.34	21.00	1.00	1.00
##000000	9.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB00

Deuteranopia (green-blind)

#C3AF2D

Tritanopia (blue-blind)

#BEA799

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #b1b31e;
/* rgb */ color: rgb(177, 179, 30);
/* oklch */ color: oklch(74.1% 0.155 110.5);

Tailwind

colors: {
  custom: {
    50: '#ccc96a',
    500: '#b1b31e',
    950: '#000000',
  },
}

SCSS

$custom: #b1b31e;
$custom-light: #ccc96a;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b31e",
  "rgb": {
    "r": 177,
    "g": 179,
    "b": 30
  },
  "hsl": {
    "h": 60.805,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.74122,
    "c": 0.15524,
    "h": 110.5
  },
  "luminance": 0.41681
}

Semantic roles & 50–950 ramp

primary

#B1B31E

secondary

#6462CB

accent

#3AEE3C

background

#FDFCF6

surface

#FAF8EC

border

#D3D1C7

text

#141307

muted

#83827A

Preview Lab

Preview with #B1B31E

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

Preview Lab → · Contrast checker → · Palette generator →