#B5C439#B5C439

#B5C439 is a light, vivid yellow. Relative luminance 0.496; OKLCH L 78.4% C 0.158 H 115.5°. Best body text is #000000 at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#B5C439
RGB	rgb(181, 196, 57)
HSL	hsl(66, 55%, 50%)
HSV	hsv(66, 71%, 77%)
CMYK	cmyk(7.7%, 0%, 70.9%, 23.1%)
CIE-LAB	lab(75.82, -22.55, 64.16)
CIE-LCH	lch(75.82, 68.01, 109.36°)
OKLab	oklab(78.38% -0.0681 0.1427)
OKLCH	oklch(78.38% 0.158 115.5)
XYZ	xyz(39.5355, 49.5996, 11.3611)
Luminance	0.4960 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C439 #4839C4

analogous

#C48E39 #B5C439 #6FC439

triadic

#B5C439 #39B5C4 #C439B5

tetradic

#B5C439 #39C48E #4839C4 #C4396F

square

#B5C439 #39C48E #4839C4 #C4396F

split-complementary

#B5C439 #396FC4 #8E39C4

monochromatic

#5D651D #89952B #B5C439 #C7D367 #D9E197

Accessibility & contrast

On white

1.92

#B5C439 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.92

#B5C439 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C439

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C439	#FFFFFF	#000000	##000000
##B5C439	1.00	1.92	10.92	10.92
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.92	21.00	1.00	1.00
##000000	10.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BA20

Deuteranopia (green-blind)

#D1BC44

Tritanopia (blue-blind)

#C1B9A9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b5c439;
/* rgb */ color: rgb(181, 196, 57);
/* oklch */ color: oklch(78.4% 0.158 115.5);

Tailwind

colors: {
  custom: {
    50: '#cfd579',
    500: '#b5c439',
    950: '#000000',
  },
}

SCSS

$custom: #b5c439;
$custom-light: #cfd579;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c439",
  "rgb": {
    "r": 181,
    "g": 196,
    "b": 57
  },
  "hsl": {
    "h": 66.475,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.78384,
    "c": 0.15817,
    "h": 115.5
  },
  "luminance": 0.49599
}

Semantic roles & 50–950 ramp

primary

#B5C439

secondary

#938DCC

accent

#4ADE5A

background

#FDFDF7

surface

#FAFAEE

border

#D3D3C9

text

#14140A

muted

#83837C

Preview Lab

Preview with #B5C439

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

Preview Lab → · Contrast checker → · Palette generator →