#B1C237#B1C237

#B1C237 is a light, vivid yellow. Relative luminance 0.482; OKLCH L 77.6% C 0.158 H 116.3°. Best body text is #000000 at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#B1C237
RGB	rgb(177, 194, 55)
HSL	hsl(67, 56%, 49%)
HSV	hsv(67, 72%, 76%)
CMYK	cmyk(8.8%, 0%, 71.6%, 23.9%)
CIE-LAB	lab(74.96, -23.34, 63.92)
CIE-LCH	lch(74.96, 68.05, 110.06°)
OKLab	oklab(77.61% -0.0703 0.142)
OKLCH	oklch(77.61% 0.158 116.3)
XYZ	xyz(38.1138, 48.2071, 10.9108)
Luminance	0.4821 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C237 #4837C2

analogous

#C28E37 #B1C237 #6CC237

triadic

#B1C237 #37B1C2 #C237B1

tetradic

#B1C237 #37C28E #4837C2 #C2376C

square

#B1C237 #37C28E #4837C2 #C2376C

split-complementary

#B1C237 #376CC2 #8E37C2

monochromatic

#5A631C #859229 #B1C237 #C5D363 #D7E093

Accessibility & contrast

On white

1.97

#B1C237 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.64

#B1C237 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C237

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C237	#FFFFFF	#000000	##000000
##B1C237	1.00	1.97	10.64	10.64
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.64	21.00	1.00	1.00
##000000	10.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB81D

Deuteranopia (green-blind)

#CEB942

Tritanopia (blue-blind)

#BCB7A7

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #b1c237;
/* rgb */ color: rgb(177, 194, 55);
/* oklch */ color: oklch(77.6% 0.158 116.3);

Tailwind

colors: {
  custom: {
    50: '#ccd477',
    500: '#b1c237',
    950: '#000000',
  },
}

SCSS

$custom: #b1c237;
$custom-light: #ccd477;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c237",
  "rgb": {
    "r": 177,
    "g": 194,
    "b": 55
  },
  "hsl": {
    "h": 67.338,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.7761,
    "c": 0.15847,
    "h": 116.3
  },
  "luminance": 0.48207
}

Semantic roles & 50–950 ramp

primary

#B1C237

secondary

#9189CB

accent

#49DF5B

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#141409

muted

#82827B

Preview Lab

Preview with #B1C237

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

Preview Lab → · Contrast checker → · Palette generator →