#B1BF3F#B1BF3F

#B1BF3F is a light, vivid yellow. Relative luminance 0.470; OKLCH L 77.0% C 0.150 H 115.4°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#B1BF3F
RGB	rgb(177, 191, 63)
HSL	hsl(67, 50%, 50%)
HSV	hsv(67, 67%, 75%)
CMYK	cmyk(7.3%, 0%, 67%, 25.1%)
CIE-LAB	lab(74.17, -21.42, 60.16)
CIE-LCH	lch(74.17, 63.85, 109.60°)
OKLab	oklab(77% -0.0642 0.1354)
OKLCH	oklch(77% 0.15 115.4)
XYZ	xyz(37.6604, 46.9682, 11.7835)
Luminance	0.4697 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BF3F #4D3FBF

analogous

#BF8D3F #B1BF3F #71BF3F

triadic

#B1BF3F #3FB1BF #BF3FB1

tetradic

#B1BF3F #3FBF8D #4D3FBF #BF3F71

square

#B1BF3F #3FBF8D #4D3FBF #BF3F71

split-complementary

#B1BF3F #3F71BF #8D3FBF

monochromatic

#5C6321 #869130 #B1BF3F #C4CF6D #D6DE9B

Accessibility & contrast

On white

2.02

#B1BF3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.39

#B1BF3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BF3F

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BF3F	#FFFFFF	#000000	##000000
##B1BF3F	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)

#CCB52C

Deuteranopia (green-blind)

#CBB748

Tritanopia (blue-blind)

#BCB4A5

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #b1bf3f;
/* rgb */ color: rgb(177, 191, 63);
/* oklch */ color: oklch(77.0% 0.150 115.4);

Tailwind

colors: {
  custom: {
    50: '#cbd27b',
    500: '#b1bf3f',
    950: '#000000',
  },
}

SCSS

$custom: #b1bf3f;
$custom-light: #cbd27b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bf3f",
  "rgb": {
    "r": 177,
    "g": 191,
    "b": 63
  },
  "hsl": {
    "h": 66.563,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.76996,
    "c": 0.14984,
    "h": 115.4
  },
  "luminance": 0.46968
}

Semantic roles & 50–950 ramp

primary

#B1BF3F

secondary

#9690CA

accent

#4EDA5D

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#14140A

muted

#82827C

Preview Lab

Preview with #B1BF3F

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

Preview Lab → · Contrast checker → · Palette generator →