#B5B828#B5B828

#B5B828 is a light, vivid yellow. Relative luminance 0.443; OKLCH L 75.6% C 0.155 H 110.8°. Best body text is #000000 at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#B5B828
RGB	rgb(181, 184, 40)
HSL	hsl(61, 64%, 44%)
HSV	hsv(61, 78%, 72%)
CMYK	cmyk(1.6%, 0%, 78.3%, 27.8%)
CIE-LAB	lab(72.40, -17.34, 66.53)
CIE-LCH	lch(72.40, 68.75, 104.61°)
OKLab	oklab(75.61% -0.0551 0.1448)
OKLCH	oklch(75.61% 0.155 110.8)
XYZ	xyz(36.5809, 44.2590, 8.6229)
Luminance	0.4426 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5B828 #2B28B8

analogous

#B87328 #B5B828 #6DB828

triadic

#B5B828 #28B5B8 #B828B5

tetradic

#B5B828 #28B873 #2B28B8 #B8286D

square

#B5B828 #28B873 #2B28B8 #B8286D

split-complementary

#B5B828 #286DB8 #7328B8

monochromatic

#525312 #84861D #B5B828 #D4D746 #E0E279

Accessibility & contrast

On white

2.13

#B5B828 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.85

#B5B828 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5B828

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5B828	#FFFFFF	#000000	##000000
##B5B828	1.00	2.13	9.85	9.85
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.85	21.00	1.00	1.00
##000000	9.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B000

Deuteranopia (green-blind)

#C8B335

Tritanopia (blue-blind)

#C2AC9E

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #b5b828;
/* rgb */ color: rgb(181, 184, 40);
/* oklch */ color: oklch(75.6% 0.155 110.8);

Tailwind

colors: {
  custom: {
    50: '#cfcd6f',
    500: '#b5b828',
    950: '#000000',
  },
}

SCSS

$custom: #b5b828;
$custom-light: #cfcd6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b5b828",
  "rgb": {
    "r": 181,
    "g": 184,
    "b": 40
  },
  "hsl": {
    "h": 61.25,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.75614,
    "c": 0.15491,
    "h": 110.8
  },
  "luminance": 0.44258
}

Semantic roles & 50–950 ramp

primary

#B5B828

secondary

#7472CA

accent

#41E744

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B5B828

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

Preview Lab → · Contrast checker → · Palette generator →