#B1C331#B1C331

#B1C331 is a light, vivid yellow. Relative luminance 0.486; OKLCH L 77.8% C 0.163 H 116.6°. Best body text is #000000 at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#B1C331
RGB	rgb(177, 195, 49)
HSL	hsl(67, 60%, 48%)
HSV	hsv(67, 75%, 76%)
CMYK	cmyk(9.2%, 0%, 74.9%, 23.5%)
CIE-LAB	lab(75.20, -24.12, 66.19)
CIE-LCH	lch(75.20, 70.45, 110.02°)
OKLab	oklab(77.8% -0.0729 0.1458)
OKLCH	oklch(77.8% 0.163 116.6)
XYZ	xyz(38.2019, 48.5996, 10.2733)
Luminance	0.4860 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C331 #4331C3

analogous

#C38C31 #B1C331 #68C331

triadic

#B1C331 #31B1C3 #C331B1

tetradic

#B1C331 #31C38C #4331C3 #C33168

square

#B1C331 #31C38C #4331C3 #C33168

split-complementary

#B1C331 #3168C3 #8C31C3

monochromatic

#586118 #859225 #B1C331 #C7D65B #D8E28C

Accessibility & contrast

On white

1.96

#B1C331 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.72

#B1C331 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C331

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C331	#FFFFFF	#000000	##000000
##B1C331	1.00	1.96	10.72	10.72
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.72	21.00	1.00	1.00
##000000	10.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B90E

Deuteranopia (green-blind)

#CFBA3E

Tritanopia (blue-blind)

#BCB8A7

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #b1c331;
/* rgb */ color: rgb(177, 195, 49);
/* oklch */ color: oklch(77.8% 0.163 116.6);

Tailwind

colors: {
  custom: {
    50: '#ccd574',
    500: '#b1c331',
    950: '#000000',
  },
}

SCSS

$custom: #b1c331;
$custom-light: #ccd574;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c331",
  "rgb": {
    "r": 177,
    "g": 195,
    "b": 49
  },
  "hsl": {
    "h": 67.397,
    "s": 59.836,
    "l": 47.843
  },
  "oklch": {
    "l": 0.77797,
    "c": 0.16304,
    "h": 116.6
  },
  "luminance": 0.48599
}

Semantic roles & 50–950 ramp

primary

#B1C331

secondary

#8C83CC

accent

#45E358

background

#FDFDF7

surface

#FAFAED

border

#D3D3C8

text

#141409

muted

#83837B

Preview Lab

Preview with #B1C331

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

Preview Lab → · Contrast checker → · Palette generator →