#B5C539#B5C539

#B5C539 is a light, vivid yellow. Relative luminance 0.501; OKLCH L 78.6% C 0.159 H 115.9°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#B5C539
RGB	rgb(181, 197, 57)
HSL	hsl(67, 55%, 50%)
HSV	hsv(67, 71%, 77%)
CMYK	cmyk(8.1%, 0%, 71.1%, 22.7%)
CIE-LAB	lab(76.10, -23.04, 64.43)
CIE-LCH	lch(76.10, 68.43, 109.68°)
OKLab	oklab(78.61% -0.0695 0.1433)
OKLCH	oklch(78.61% 0.159 115.9)
XYZ	xyz(39.7618, 50.0523, 11.4365)
Luminance	0.5005 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C539 #4939C5

analogous

#C58F39 #B5C539 #6FC539

triadic

#B5C539 #39B5C5 #C539B5

tetradic

#B5C539 #39C58F #4939C5 #C5396F

square

#B5C539 #39C58F #4939C5 #C5396F

split-complementary

#B5C539 #396FC5 #8F39C5

monochromatic

#5E661E #89962B #B5C539 #C7D368 #D9E197

Accessibility & contrast

On white

1.91

#B5C539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.01

#B5C539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C539

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C539	#FFFFFF	#000000	##000000
##B5C539	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)

#D3BB20

Deuteranopia (green-blind)

#D1BD44

Tritanopia (blue-blind)

#C0BAAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b5c539;
/* rgb */ color: rgb(181, 197, 57);
/* oklch */ color: oklch(78.6% 0.159 115.9);

Tailwind

colors: {
  custom: {
    50: '#cfd679',
    500: '#b5c539',
    950: '#000000',
  },
}

SCSS

$custom: #b5c539;
$custom-light: #cfd679;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c539",
  "rgb": {
    "r": 181,
    "g": 197,
    "b": 57
  },
  "hsl": {
    "h": 66.857,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.78608,
    "c": 0.15928,
    "h": 115.9
  },
  "luminance": 0.50052
}

Semantic roles & 50–950 ramp

primary

#B5C539

secondary

#393270

accent

#49DE5A

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#14140A

muted

#83837D

Preview Lab

Preview with #B5C539

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

Preview Lab → · Contrast checker → · Palette generator →