#B1C437#B1C437

#B1C437 is a light, vivid yellow. Relative luminance 0.491; OKLCH L 78.1% C 0.161 H 117.0°. Best body text is #000000 at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#B1C437
RGB	rgb(177, 196, 55)
HSL	hsl(68, 56%, 49%)
HSV	hsv(68, 72%, 77%)
CMYK	cmyk(9.7%, 0%, 71.9%, 23.1%)
CIE-LAB	lab(75.52, -24.31, 64.47)
CIE-LCH	lch(75.52, 68.90, 110.66°)
OKLab	oklab(78.06% -0.073 0.1432)
OKLCH	oklch(78.06% 0.161 117)
XYZ	xyz(38.5619, 49.1033, 11.0601)
Luminance	0.4910 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C437 #4A37C4

analogous

#C49137 #B1C437 #6BC437

triadic

#B1C437 #37B1C4 #C437B1

tetradic

#B1C437 #37C491 #4A37C4 #C4376B

square

#B1C437 #37C491 #4A37C4 #C4376B

split-complementary

#B1C437 #376BC4 #9137C4

monochromatic

#5B641C #86942A #B1C437 #C5D465 #D7E194

Accessibility & contrast

On white

1.94

#B1C437 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.82

#B1C437 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C437

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C437	#FFFFFF	#000000	##000000
##B1C437	1.00	1.94	10.82	10.82
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.82	21.00	1.00	1.00
##000000	10.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA1C

Deuteranopia (green-blind)

#D0BB43

Tritanopia (blue-blind)

#BCB9A9

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #b1c437;
/* rgb */ color: rgb(177, 196, 55);
/* oklch */ color: oklch(78.1% 0.161 117.0);

Tailwind

colors: {
  custom: {
    50: '#ccd577',
    500: '#b1c437',
    950: '#000000',
  },
}

SCSS

$custom: #b1c437;
$custom-light: #ccd577;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c437",
  "rgb": {
    "r": 177,
    "g": 196,
    "b": 55
  },
  "hsl": {
    "h": 68.085,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.7806,
    "c": 0.16071,
    "h": 117
  },
  "luminance": 0.49103
}

Semantic roles & 50–950 ramp

primary

#B1C437

secondary

#938BCC

accent

#48DF5D

background

#FCFDF7

surface

#F9FAEE

border

#D2D3C9

text

#141409

muted

#82837B

Preview Lab

Preview with #B1C437

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

Preview Lab → · Contrast checker → · Palette generator →