#B3B01E#B3B01E

#B3B01E is a light, vivid yellow. Relative luminance 0.407; OKLCH L 73.6% C 0.152 H 108.3°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#B3B01E
RGB	rgb(179, 176, 30)
HSL	hsl(59, 71%, 41%)
HSV	hsv(59, 83%, 70%)
CMYK	cmyk(0%, 1.7%, 83.2%, 29.8%)
CIE-LAB	lab(69.99, -14.47, 67.08)
CIE-LCH	lch(69.99, 68.62, 102.18°)
OKLab	oklab(73.63% -0.0478 0.1443)
OKLCH	oklch(73.63% 0.152 108.3)
XYZ	xyz(34.3515, 40.7293, 7.2801)
Luminance	0.4073 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3B01E #1E21B3

analogous

#B3651E #B3B01E #6BB31E

triadic

#B3B01E #1EB3B0 #B01EB3

tetradic

#B3B01E #1EB365 #1E21B3 #B31E6B

square

#B3B01E #1EB365 #1E21B3 #B31E6B

split-complementary

#B3B01E #1E6BB3 #651EB3

monochromatic

#4A490C #7F7C15 #B3B01E #DDD932 #E5E366

Accessibility & contrast

On white

2.30

#B3B01E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#B3B01E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3B01E

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3B01E	#FFFFFF	#000000	##000000
##B3B01E	1.00	2.30	9.15	9.15
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.15	21.00	1.00	1.00
##000000	9.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA900

Deuteranopia (green-blind)

#C1AD2D

Tritanopia (blue-blind)

#C1A496

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #b3b01e;
/* rgb */ color: rgb(179, 176, 30);
/* oklch */ color: oklch(73.6% 0.152 108.3);

Tailwind

colors: {
  custom: {
    50: '#cec76a',
    500: '#b3b01e',
    950: '#000000',
  },
}

SCSS

$custom: #b3b01e;
$custom-light: #cec76a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3b01e",
  "rgb": {
    "r": 179,
    "g": 176,
    "b": 30
  },
  "hsl": {
    "h": 58.792,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.73631,
    "c": 0.15196,
    "h": 108.3
  },
  "luminance": 0.40728
}

Semantic roles & 50–950 ramp

primary

#B3B01E

secondary

#6264CB

accent

#3DEE3A

background

#FDFCF6

surface

#FAF8EC

border

#D3D1C7

text

#141307

muted

#83827A

Preview Lab

Preview with #B3B01E

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

Preview Lab → · Contrast checker → · Palette generator →