#B3B31C#B3B31C

#B3B31C is a light, vivid yellow. Relative luminance 0.419; OKLCH L 74.3% C 0.156 H 109.7°. Best body text is #000000 at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#B3B31C
RGB	rgb(179, 179, 28)
HSL	hsl(60, 73%, 41%)
HSV	hsv(60, 84%, 70%)
CMYK	cmyk(0%, 0%, 84.4%, 29.8%)
CIE-LAB	lab(70.81, -16.06, 68.24)
CIE-LCH	lch(70.81, 70.11, 103.24°)
OKLab	oklab(74.29% -0.0523 0.1465)
OKLCH	oklch(74.29% 0.156 109.7)
XYZ	xyz(34.9215, 41.9088, 7.3481)
Luminance	0.4191 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3B31C #1C1CB3

analogous

#B3671C #B3B31C #67B31C

triadic

#B3B31C #1CB3B3 #B31CB3

tetradic

#B3B31C #1CB367 #1C1CB3 #B31C67

square

#B3B31C #1CB367 #1C1CB3 #B31C67

split-complementary

#B3B31C #1C67B3 #671CB3

monochromatic

#49490B #7E7E14 #B3B31C #DEDE2E #E7E763

Accessibility & contrast

On white

2.24

#B3B31C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.38

#B3B31C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3B31C

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3B31C	#FFFFFF	#000000	##000000
##B3B31C	1.00	2.24	9.38	9.38
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.38	21.00	1.00	1.00
##000000	9.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB00

Deuteranopia (green-blind)

#C4AF2C

Tritanopia (blue-blind)

#C0A799

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #b3b31c;
/* rgb */ color: rgb(179, 179, 28);
/* oklch */ color: oklch(74.3% 0.156 109.7);

Tailwind

colors: {
  custom: {
    50: '#cec96a',
    500: '#b3b31c',
    950: '#000000',
  },
}

SCSS

$custom: #b3b31c;
$custom-light: #cec96a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3b31c",
  "rgb": {
    "r": 179,
    "g": 179,
    "b": 28
  },
  "hsl": {
    "h": 60,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.74285,
    "c": 0.15551,
    "h": 109.7
  },
  "luminance": 0.41908
}

Semantic roles & 50–950 ramp

primary

#B3B31C

secondary

#5F5FCB

accent

#38F038

background

#FDFCF6

surface

#FAF8EC

border

#D3D1C7

text

#141307

muted

#83827A

Preview Lab

Preview with #B3B31C

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

Preview Lab → · Contrast checker → · Palette generator →