#B1B72D#B1B72D

#B1B72D is a light, vivid yellow. Relative luminance 0.434; OKLCH L 75.1% C 0.152 H 112.1°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#B1B72D
RGB	rgb(177, 183, 45)
HSL	hsl(63, 61%, 45%)
HSV	hsv(63, 75%, 72%)
CMYK	cmyk(3.3%, 0%, 75.4%, 28.2%)
CIE-LAB	lab(71.83, -18.36, 64.35)
CIE-LCH	lch(71.83, 66.91, 105.92°)
OKLab	oklab(75.09% -0.0573 0.1412)
OKLCH	oklch(75.09% 0.152 112.1)
XYZ	xyz(35.5398, 43.4044, 8.9879)
Luminance	0.4340 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B72D #332DB7

analogous

#B7782D #B1B72D #6CB72D

triadic

#B1B72D #2DB1B7 #B72DB1

tetradic

#B1B72D #2DB778 #332DB7 #B72D6C

square

#B1B72D #2DB778 #332DB7 #B72D6C

split-complementary

#B1B72D #2D6CB7 #782DB7

monochromatic

#525515 #818621 #B1B72D #CED34E #DBDF7F

Accessibility & contrast

On white

2.17

#B1B72D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.68

#B1B72D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B72D

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B72D	#FFFFFF	#000000	##000000
##B1B72D	1.00	2.17	9.68	9.68
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.68	21.00	1.00	1.00
##000000	9.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE0A

Deuteranopia (green-blind)

#C6B239

Tritanopia (blue-blind)

#BDAC9D

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #b1b72d;
/* rgb */ color: rgb(177, 183, 45);
/* oklch */ color: oklch(75.1% 0.152 112.1);

Tailwind

colors: {
  custom: {
    50: '#cccc71',
    500: '#b1b72d',
    950: '#000000',
  },
}

SCSS

$custom: #b1b72d;
$custom-light: #cccc71;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b72d",
  "rgb": {
    "r": 177,
    "g": 183,
    "b": 45
  },
  "hsl": {
    "h": 62.609,
    "s": 60.526,
    "l": 44.706
  },
  "oklch": {
    "l": 0.75085,
    "c": 0.15238,
    "h": 112.1
  },
  "luminance": 0.43404
}

Semantic roles & 50–950 ramp

primary

#B1B72D

secondary

#7B78C8

accent

#44E44B

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1B72D

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

Preview Lab → · Contrast checker → · Palette generator →