#B5BB28#B5BB28

#B5BB28 is a light, vivid yellow. Relative luminance 0.455; OKLCH L 76.3% C 0.158 H 112.1°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#B5BB28
RGB	rgb(181, 187, 40)
HSL	hsl(62, 65%, 45%)
HSV	hsv(62, 79%, 73%)
CMYK	cmyk(3.2%, 0%, 78.6%, 26.7%)
CIE-LAB	lab(73.23, -18.85, 67.27)
CIE-LCH	lch(73.23, 69.86, 105.65°)
OKLab	oklab(76.28% -0.0593 0.1464)
OKLCH	oklch(76.28% 0.158 112.1)
XYZ	xyz(37.2107, 45.5185, 8.8329)
Luminance	0.4552 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5BB28 #2E28BB

analogous

#BB7828 #B5BB28 #6CBB28

triadic

#B5BB28 #28B5BB #BB28B5

tetradic

#B5BB28 #28BB78 #2E28BB #BB286C

square

#B5BB28 #28BB78 #2E28BB #BB286C

split-complementary

#B5BB28 #286CBB #7828BB

monochromatic

#535612 #84891D #B5BB28 #D2D848 #DEE37B

Accessibility & contrast

On white

2.08

#B5BB28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#B5BB28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5BB28

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5BB28	#FFFFFF	#000000	##000000
##B5BB28	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB200

Deuteranopia (green-blind)

#CAB536

Tritanopia (blue-blind)

#C2AFA0

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b5bb28;
/* rgb */ color: rgb(181, 187, 40);
/* oklch */ color: oklch(76.3% 0.158 112.1);

Tailwind

colors: {
  custom: {
    50: '#cfcf6f',
    500: '#b5bb28',
    950: '#000000',
  },
}

SCSS

$custom: #b5bb28;
$custom-light: #cfcf6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b5bb28",
  "rgb": {
    "r": 181,
    "g": 187,
    "b": 40
  },
  "hsl": {
    "h": 62.449,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.76279,
    "c": 0.15792,
    "h": 112.1
  },
  "luminance": 0.45518
}

Semantic roles & 50–950 ramp

primary

#B5BB28

secondary

#7874CB

accent

#40E847

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B5BB28

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

Preview Lab → · Contrast checker → · Palette generator →