#B1B72F#B1B72F

#B1B72F is a light, vivid yellow. Relative luminance 0.434; OKLCH L 75.1% C 0.151 H 112.1°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#B1B72F
RGB	rgb(177, 183, 47)
HSL	hsl(63, 59%, 45%)
HSV	hsv(63, 74%, 72%)
CMYK	cmyk(3.3%, 0%, 74.3%, 28.2%)
CIE-LAB	lab(71.84, -18.27, 63.70)
CIE-LCH	lch(71.84, 66.27, 106.00°)
OKLab	oklab(75.1% -0.0569 0.1402)
OKLCH	oklch(75.1% 0.151 112.1)
XYZ	xyz(35.5792, 43.4202, 9.1955)
Luminance	0.4342 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B72F #352FB7

analogous

#B7792F #B1B72F #6DB72F

triadic

#B1B72F #2FB1B7 #B72FB1

tetradic

#B1B72F #2FB779 #352FB7 #B72F6D

square

#B1B72F #2FB779 #352FB7 #B72F6D

split-complementary

#B1B72F #2F6DB7 #792FB7

monochromatic

#535616 #828622 #B1B72F #CDD251 #DBDF82

Accessibility & contrast

On white

2.17

#B1B72F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.68

#B1B72F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B72F

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B72F	#FFFFFF	#000000	##000000
##B1B72F	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)

#C5AE11

Deuteranopia (green-blind)

#C6B23A

Tritanopia (blue-blind)

#BDAC9D

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #b1b72f;
/* rgb */ color: rgb(177, 183, 47);
/* oklch */ color: oklch(75.1% 0.151 112.1);

Tailwind

colors: {
  custom: {
    50: '#cccc72',
    500: '#b1b72f',
    950: '#000000',
  },
}

SCSS

$custom: #b1b72f;
$custom-light: #cccc72;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b72f",
  "rgb": {
    "r": 177,
    "g": 183,
    "b": 47
  },
  "hsl": {
    "h": 62.647,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.75097,
    "c": 0.15129,
    "h": 112.1
  },
  "luminance": 0.43419
}

Semantic roles & 50–950 ramp

primary

#B1B72F

secondary

#7D7AC8

accent

#45E24C

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1B72F

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

Preview Lab → · Contrast checker → · Palette generator →