#B3B31B#B3B31B

#B3B31B 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	#B3B31B
RGB	rgb(179, 179, 27)
HSL	hsl(60, 74%, 40%)
HSV	hsv(60, 85%, 70%)
CMYK	cmyk(0%, 0%, 84.9%, 29.8%)
CIE-LAB	lab(70.80, -16.08, 68.47)
CIE-LCH	lch(70.80, 70.33, 103.22°)
OKLab	oklab(74.28% -0.0524 0.1468)
OKLCH	oklch(74.28% 0.156 109.7)
XYZ	xyz(34.9097, 41.9041, 7.2861)
Luminance	0.4190 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3B31B #1B1BB3

analogous

#B3671B #B3B31B #67B31B

triadic

#B3B31B #1BB3B3 #B31BB3

tetradic

#B3B31B #1BB367 #1B1BB3 #B31B67

square

#B3B31B #1BB367 #1B1BB3 #B31B67

split-complementary

#B3B31B #1B67B3 #671BB3

monochromatic

#49490B #7E7E13 #B3B31B #DFDF2C #E7E761

Accessibility & contrast

On white

2.24

#B3B31B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.38

#B3B31B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3B31B

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3B31B	#FFFFFF	#000000	##000000
##B3B31B	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)

#C4AF2B

Tritanopia (blue-blind)

#C0A799

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #b3b31b;
/* rgb */ color: rgb(179, 179, 27);
/* oklch */ color: oklch(74.3% 0.156 109.7);

Tailwind

colors: {
  custom: {
    50: '#cec969',
    500: '#b3b31b',
    950: '#000000',
  },
}

SCSS

$custom: #b3b31b;
$custom-light: #cec969;
$custom-dark: #000000;

JSON

{
  "hex": "#b3b31b",
  "rgb": {
    "r": 179,
    "g": 179,
    "b": 27
  },
  "hsl": {
    "h": 60,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.74282,
    "c": 0.15586,
    "h": 109.7
  },
  "luminance": 0.41903
}

Semantic roles & 50–950 ramp

primary

#B3B31B

secondary

#5E5ECC

accent

#37F037

background

#FDFCF6

surface

#FAF8EC

border

#D3D1C7

text

#141307

muted

#83827A

Preview Lab

Preview with #B3B31B

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

Preview Lab → · Contrast checker → · Palette generator →