#B1BF3E#B1BF3E

#B1BF3E is a light, vivid yellow. Relative luminance 0.470; OKLCH L 77.0% C 0.151 H 115.3°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#B1BF3E
RGB	rgb(177, 191, 62)
HSL	hsl(67, 51%, 50%)
HSV	hsv(67, 68%, 75%)
CMYK	cmyk(7.3%, 0%, 67.5%, 25.1%)
CIE-LAB	lab(74.16, -21.48, 60.54)
CIE-LCH	lch(74.16, 64.24, 109.53°)
OKLab	oklab(76.99% -0.0644 0.136)
OKLCH	oklch(76.99% 0.151 115.3)
XYZ	xyz(37.6327, 46.9571, 11.6377)
Luminance	0.4696 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BF3E #4C3EBF

analogous

#BF8D3E #B1BF3E #70BF3E

triadic

#B1BF3E #3EB1BF #BF3EB1

tetradic

#B1BF3E #3EBF8D #4C3EBF #BF3E70

square

#B1BF3E #3EBF8D #4C3EBF #BF3E70

split-complementary

#B1BF3E #3E70BF #8D3EBF

monochromatic

#5B6320 #86912F #B1BF3E #C4CF6B #D7DE99

Accessibility & contrast

On white

2.02

#B1BF3E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.39

#B1BF3E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BF3E

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BF3E	#FFFFFF	#000000	##000000
##B1BF3E	1.00	2.02	10.39	10.39
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.39	21.00	1.00	1.00
##000000	10.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB52B

Deuteranopia (green-blind)

#CBB747

Tritanopia (blue-blind)

#BCB4A5

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #b1bf3e;
/* rgb */ color: rgb(177, 191, 62);
/* oklch */ color: oklch(77.0% 0.151 115.3);

Tailwind

colors: {
  custom: {
    50: '#cbd27b',
    500: '#b1bf3e',
    950: '#000000',
  },
}

SCSS

$custom: #b1bf3e;
$custom-light: #cbd27b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bf3e",
  "rgb": {
    "r": 177,
    "g": 191,
    "b": 62
  },
  "hsl": {
    "h": 66.512,
    "s": 50.988,
    "l": 49.608
  },
  "oklch": {
    "l": 0.76988,
    "c": 0.15053,
    "h": 115.3
  },
  "luminance": 0.46957
}

Semantic roles & 50–950 ramp

primary

#B1BF3E

secondary

#958FCA

accent

#4DDA5D

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#14140A

muted

#82827C

Preview Lab

Preview with #B1BF3E

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

Preview Lab → · Contrast checker → · Palette generator →