#B1BF38#B1BF38

#B1BF38 is a light, vivid yellow. Relative luminance 0.469; OKLCH L 76.9% C 0.155 H 115.3°. Best body text is #000000 at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#B1BF38
RGB	rgb(177, 191, 56)
HSL	hsl(66, 55%, 48%)
HSV	hsv(66, 71%, 75%)
CMYK	cmyk(7.3%, 0%, 70.7%, 25.1%)
CIE-LAB	lab(74.12, -21.81, 62.75)
CIE-LCH	lch(74.12, 66.44, 109.17°)
OKLab	oklab(76.94% -0.0659 0.1397)
OKLCH	oklch(76.94% 0.155 115.3)
XYZ	xyz(37.4771, 46.8949, 10.8180)
Luminance	0.4689 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BF38 #4638BF

analogous

#BF8938 #B1BF38 #6DBF38

triadic

#B1BF38 #38B1BF #BF38B1

tetradic

#B1BF38 #38BF89 #4638BF #BF386D

square

#B1BF38 #38BF89 #4638BF #BF386D

split-complementary

#B1BF38 #386DBF #8938BF

monochromatic

#59601C #85902A #B1BF38 #C6D163 #D7DF92

Accessibility & contrast

On white

2.02

#B1BF38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.38

#B1BF38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BF38

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BF38	#FFFFFF	#000000	##000000
##B1BF38	1.00	2.02	10.38	10.38
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.38	21.00	1.00	1.00
##000000	10.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB521

Deuteranopia (green-blind)

#CCB743

Tritanopia (blue-blind)

#BCB4A5

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #b1bf38;
/* rgb */ color: rgb(177, 191, 56);
/* oklch */ color: oklch(76.9% 0.155 115.3);

Tailwind

colors: {
  custom: {
    50: '#ccd277',
    500: '#b1bf38',
    950: '#000000',
  },
}

SCSS

$custom: #b1bf38;
$custom-light: #ccd277;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bf38",
  "rgb": {
    "r": 177,
    "g": 191,
    "b": 56
  },
  "hsl": {
    "h": 66.222,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.76943,
    "c": 0.15451,
    "h": 115.3
  },
  "luminance": 0.46894
}

Semantic roles & 50–950 ramp

primary

#B1BF38

secondary

#8F89CA

accent

#4ADE59

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#141409

muted

#82827B

Preview Lab

Preview with #B1BF38

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

Preview Lab → · Contrast checker → · Palette generator →