#B1B01E#B1B01E

#B1B01E is a light, vivid yellow. Relative luminance 0.405; OKLCH L 73.5% C 0.152 H 109.2°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#B1B01E
RGB	rgb(177, 176, 30)
HSL	hsl(60, 71%, 41%)
HSV	hsv(60, 83%, 69%)
CMYK	cmyk(0%, 0.6%, 83.1%, 30.6%)
CIE-LAB	lab(69.82, -15.35, 66.87)
CIE-LCH	lch(69.82, 68.61, 102.93°)
OKLab	oklab(73.46% -0.0501 0.1439)
OKLCH	oklch(73.46% 0.152 109.2)
XYZ	xyz(33.8925, 40.4926, 7.2586)
Luminance	0.4049 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B01E #1E1FB1

analogous

#B1661E #B1B01E #68B11E

triadic

#B1B01E #1EB1B0 #B01EB1

tetradic

#B1B01E #1EB166 #1E1FB1 #B11E68

square

#B1B01E #1EB166 #1E1FB1 #B11E68

split-complementary

#B1B01E #1E68B1 #661EB1

monochromatic

#48480C #7D7C15 #B1B01E #DCDB30 #E5E465

Accessibility & contrast

On white

2.31

#B1B01E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#B1B01E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B01E

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B01E	#FFFFFF	#000000	##000000
##B1B01E	1.00	2.31	9.10	9.10
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.10	21.00	1.00	1.00
##000000	9.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA800

Deuteranopia (green-blind)

#C1AD2D

Tritanopia (blue-blind)

#BEA496

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #b1b01e;
/* rgb */ color: rgb(177, 176, 30);
/* oklch */ color: oklch(73.5% 0.152 109.2);

Tailwind

colors: {
  custom: {
    50: '#ccc76a',
    500: '#b1b01e',
    950: '#000000',
  },
}

SCSS

$custom: #b1b01e;
$custom-light: #ccc76a;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b01e",
  "rgb": {
    "r": 177,
    "g": 176,
    "b": 30
  },
  "hsl": {
    "h": 59.592,
    "s": 71.014,
    "l": 40.588
  },
  "oklch": {
    "l": 0.73457,
    "c": 0.15237,
    "h": 109.2
  },
  "luminance": 0.40492
}

Semantic roles & 50–950 ramp

primary

#B1B01E

secondary

#6162CA

accent

#3BEE3A

background

#FDFCF6

surface

#FAF8EC

border

#D3D1C7

text

#141307

muted

#83827A

Preview Lab

Preview with #B1B01E

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

Preview Lab → · Contrast checker → · Palette generator →