#B3B01C#B3B01C

#B3B01C is a light, vivid yellow. Relative luminance 0.407; OKLCH L 73.6% C 0.153 H 108.3°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#B3B01C
RGB	rgb(179, 176, 28)
HSL	hsl(59, 73%, 41%)
HSV	hsv(59, 84%, 70%)
CMYK	cmyk(0%, 1.7%, 84.4%, 29.8%)
CIE-LAB	lab(69.98, -14.53, 67.55)
CIE-LCH	lch(69.98, 69.10, 102.14°)
OKLab	oklab(73.62% -0.0481 0.1449)
OKLCH	oklch(73.62% 0.153 108.3)
XYZ	xyz(34.3268, 40.7194, 7.1498)
Luminance	0.4072 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3B01C #1C1FB3

analogous

#B3641C #B3B01C #6AB31C

triadic

#B3B01C #1CB3B0 #B01CB3

tetradic

#B3B01C #1CB364 #1C1FB3 #B31C6A

square

#B3B01C #1CB364 #1C1FB3 #B31C6A

split-complementary

#B3B01C #1C6AB3 #641CB3

monochromatic

#49480B #7E7C14 #B3B01C #DEDB2E #E7E463

Accessibility & contrast

On white

2.30

#B3B01C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#B3B01C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3B01C

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3B01C	#FFFFFF	#000000	##000000
##B3B01C	1.00	2.30	9.14	9.14
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.14	21.00	1.00	1.00
##000000	9.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA800

Deuteranopia (green-blind)

#C2AD2B

Tritanopia (blue-blind)

#C1A496

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #b3b01c;
/* rgb */ color: rgb(179, 176, 28);
/* oklch */ color: oklch(73.6% 0.153 108.3);

Tailwind

colors: {
  custom: {
    50: '#cec769',
    500: '#b3b01c',
    950: '#000000',
  },
}

SCSS

$custom: #b3b01c;
$custom-light: #cec769;
$custom-dark: #000000;

JSON

{
  "hex": "#b3b01c",
  "rgb": {
    "r": 179,
    "g": 176,
    "b": 28
  },
  "hsl": {
    "h": 58.808,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.73623,
    "c": 0.1527,
    "h": 108.3
  },
  "luminance": 0.40718
}

Semantic roles & 50–950 ramp

primary

#B3B01C

secondary

#5F62CB

accent

#3CF038

background

#FDFCF6

surface

#FAF8EC

border

#D3D1C7

text

#141307

muted

#83827A

Preview Lab

Preview with #B3B01C

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

Preview Lab → · Contrast checker → · Palette generator →