#B1C33A#B1C33A

#B1C33A is a light, vivid yellow. Relative luminance 0.487; OKLCH L 77.9% C 0.158 H 116.7°. Best body text is #000000 at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#B1C33A
RGB	rgb(177, 195, 58)
HSL	hsl(68, 54%, 50%)
HSV	hsv(68, 70%, 76%)
CMYK	cmyk(9.2%, 0%, 70.3%, 23.5%)
CIE-LAB	lab(75.25, -23.67, 63.14)
CIE-LCH	lch(75.25, 67.43, 110.55°)
OKLab	oklab(77.86% -0.0709 0.1409)
OKLCH	oklch(77.86% 0.158 116.7)
XYZ	xyz(38.4112, 48.6833, 11.3755)
Luminance	0.4868 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C33A #4C3AC3

analogous

#C3903A #B1C33A #6DC33A

triadic

#B1C33A #3AB1C3 #C33AB1

tetradic

#B1C33A #3AC390 #4C3AC3 #C33A6D

square

#B1C33A #3AC390 #4C3AC3 #C33A6D

split-complementary

#B1C33A #3A6DC3 #903AC3

monochromatic

#5B651E #86942C #B1C33A #C4D268 #D7E097

Accessibility & contrast

On white

1.96

#B1C33A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.74

#B1C33A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C33A

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C33A	#FFFFFF	#000000	##000000
##B1C33A	1.00	1.96	10.74	10.74
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.74	21.00	1.00	1.00
##000000	10.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B923

Deuteranopia (green-blind)

#CFBA45

Tritanopia (blue-blind)

#BCB8A8

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #b1c33a;
/* rgb */ color: rgb(177, 195, 58);
/* oklch */ color: oklch(77.9% 0.158 116.7);

Tailwind

colors: {
  custom: {
    50: '#ccd579',
    500: '#b1c33a',
    950: '#000000',
  },
}

SCSS

$custom: #b1c33a;
$custom-light: #ccd579;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c33a",
  "rgb": {
    "r": 177,
    "g": 195,
    "b": 58
  },
  "hsl": {
    "h": 67.883,
    "s": 54.15,
    "l": 49.608
  },
  "oklch": {
    "l": 0.77856,
    "c": 0.15771,
    "h": 116.7
  },
  "luminance": 0.48683
}

Semantic roles & 50–950 ramp

primary

#B1C33A

secondary

#958DCC

accent

#4ADE5E

background

#FCFDF7

surface

#F9FAEE

border

#D2D3C9

text

#14140A

muted

#82837C

Preview Lab

Preview with #B1C33A

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

Preview Lab → · Contrast checker → · Palette generator →