#B1C339#B1C339

#B1C339 is a light, vivid yellow. Relative luminance 0.487; OKLCH L 77.8% C 0.158 H 116.7°. Best body text is #000000 at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#B1C339
RGB	rgb(177, 195, 57)
HSL	hsl(68, 55%, 49%)
HSV	hsv(68, 71%, 76%)
CMYK	cmyk(9.2%, 0%, 70.8%, 23.5%)
CIE-LAB	lab(75.25, -23.72, 63.49)
CIE-LCH	lch(75.25, 67.78, 110.49°)
OKLab	oklab(77.85% -0.0712 0.1415)
OKLCH	oklch(77.85% 0.158 116.7)
XYZ	xyz(38.3860, 48.6732, 11.2428)
Luminance	0.4867 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C339 #4B39C3

analogous

#C39039 #B1C339 #6CC339

triadic

#B1C339 #39B1C3 #C339B1

tetradic

#B1C339 #39C390 #4B39C3 #C3396C

square

#B1C339 #39C390 #4B39C3 #C3396C

split-complementary

#B1C339 #396CC3 #9039C3

monochromatic

#5B641D #86942B #B1C339 #C4D267 #D7E096

Accessibility & contrast

On white

1.96

#B1C339 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.73

#B1C339 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C339

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C339	#FFFFFF	#000000	##000000
##B1C339	1.00	1.96	10.73	10.73
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.73	21.00	1.00	1.00
##000000	10.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B921

Deuteranopia (green-blind)

#CFBA44

Tritanopia (blue-blind)

#BCB8A8

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #b1c339;
/* rgb */ color: rgb(177, 195, 57);
/* oklch */ color: oklch(77.8% 0.158 116.7);

Tailwind

colors: {
  custom: {
    50: '#ccd578',
    500: '#b1c339',
    950: '#000000',
  },
}

SCSS

$custom: #b1c339;
$custom-light: #ccd578;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c339",
  "rgb": {
    "r": 177,
    "g": 195,
    "b": 57
  },
  "hsl": {
    "h": 67.826,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.77849,
    "c": 0.15835,
    "h": 116.7
  },
  "luminance": 0.48673
}

Semantic roles & 50–950 ramp

primary

#B1C339

secondary

#948CCC

accent

#4ADE5D

background

#FCFDF7

surface

#F9FAEE

border

#D2D3C9

text

#14140A

muted

#82837C

Preview Lab

Preview with #B1C339

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

Preview Lab → · Contrast checker → · Palette generator →