#B5C837#B5C837

#B5C837 is a light, vivid yellow. Relative luminance 0.514; OKLCH L 79.3% C 0.164 H 116.9°. Best body text is #000000 at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#B5C837
RGB	rgb(181, 200, 55)
HSL	hsl(68, 57%, 50%)
HSV	hsv(68, 73%, 78%)
CMYK	cmyk(9.5%, 0%, 72.5%, 21.6%)
CIE-LAB	lab(76.93, -24.60, 65.93)
CIE-LCH	lch(76.93, 70.37, 110.46°)
OKLab	oklab(79.27% -0.074 0.1461)
OKLCH	oklch(79.27% 0.164 116.9)
XYZ	xyz(40.4009, 51.4087, 11.4082)
Luminance	0.5141 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C837 #4A37C8

analogous

#C89237 #B5C837 #6DC837

triadic

#B5C837 #37B5C8 #C837B5

tetradic

#B5C837 #37C892 #4A37C8 #C8376D

square

#B5C837 #37C892 #4A37C8 #C8376D

split-complementary

#B5C837 #376DC8 #9237C8

monochromatic

#5E681D #8A982A #B5C837 #C7D567 #D9E297

Accessibility & contrast

On white

1.86

#B5C837 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.28

#B5C837 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C837

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C837	#FFFFFF	#000000	##000000
##B5C837	1.00	1.86	11.28	11.28
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.28	21.00	1.00	1.00
##000000	11.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD1A

Deuteranopia (green-blind)

#D4BF43

Tritanopia (blue-blind)

#C0BDAC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #b5c837;
/* rgb */ color: rgb(181, 200, 55);
/* oklch */ color: oklch(79.3% 0.164 116.9);

Tailwind

colors: {
  custom: {
    50: '#cfd878',
    500: '#b5c837',
    950: '#000000',
  },
}

SCSS

$custom: #b5c837;
$custom-light: #cfd878;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c837",
  "rgb": {
    "r": 181,
    "g": 200,
    "b": 55
  },
  "hsl": {
    "h": 67.862,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.79266,
    "c": 0.1638,
    "h": 116.9
  },
  "luminance": 0.51408
}

Semantic roles & 50–950 ramp

primary

#B5C837

secondary

#3A3172

accent

#48E05C

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#14140A

muted

#83837D

Preview Lab

Preview with #B5C837

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

Preview Lab → · Contrast checker → · Palette generator →