#B5C537#B5C537

#B5C537 is a light, vivid yellow. Relative luminance 0.500; OKLCH L 78.6% C 0.160 H 115.8°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#B5C537
RGB	rgb(181, 197, 55)
HSL	hsl(67, 56%, 49%)
HSV	hsv(67, 72%, 77%)
CMYK	cmyk(8.1%, 0%, 72.1%, 22.7%)
CIE-LAB	lab(76.09, -23.14, 65.12)
CIE-LCH	lch(76.09, 69.11, 109.56°)
OKLab	oklab(78.59% -0.0699 0.1444)
OKLCH	oklch(78.59% 0.16 115.8)
XYZ	xyz(39.7129, 50.0327, 11.1789)
Luminance	0.5003 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C537 #4737C5

analogous

#C58E37 #B5C537 #6EC537

triadic

#B5C537 #37B5C5 #C537B5

tetradic

#B5C537 #37C58E #4737C5 #C5376E

square

#B5C537 #37C58E #4737C5 #C5376E

split-complementary

#B5C537 #376EC5 #8E37C5

monochromatic

#5D651C #89952A #B5C537 #C8D465 #D9E195

Accessibility & contrast

On white

1.91

#B5C537 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.01

#B5C537 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C537

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C537	#FFFFFF	#000000	##000000
##B5C537	1.00	1.91	11.01	11.01
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.01	21.00	1.00	1.00
##000000	11.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB1C

Deuteranopia (green-blind)

#D2BD43

Tritanopia (blue-blind)

#C1BAAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b5c537;
/* rgb */ color: rgb(181, 197, 55);
/* oklch */ color: oklch(78.6% 0.160 115.8);

Tailwind

colors: {
  custom: {
    50: '#cfd678',
    500: '#b5c537',
    950: '#000000',
  },
}

SCSS

$custom: #b5c537;
$custom-light: #cfd678;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c537",
  "rgb": {
    "r": 181,
    "g": 197,
    "b": 55
  },
  "hsl": {
    "h": 66.761,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.78594,
    "c": 0.16049,
    "h": 115.8
  },
  "luminance": 0.50032
}

Semantic roles & 50–950 ramp

primary

#B5C537

secondary

#383170

accent

#48E059

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B5C537

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

Preview Lab → · Contrast checker → · Palette generator →