#B4CB37#B4CB37

#B4CB37 is a light, vivid yellow. Relative luminance 0.527; OKLCH L 79.9% C 0.168 H 118.2°. Best body text is #000000 at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#B4CB37
RGB	rgb(180, 203, 55)
HSL	hsl(69, 59%, 51%)
HSV	hsv(69, 73%, 80%)
CMYK	cmyk(11.3%, 0%, 72.9%, 20.4%)
CIE-LAB	lab(77.69, -26.46, 66.64)
CIE-LCH	lch(77.69, 71.70, 111.65°)
OKLab	oklab(79.86% -0.0791 0.1477)
OKLCH	oklch(79.86% 0.168 118.2)
XYZ	xyz(40.8688, 52.6914, 11.6312)
Luminance	0.5269 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4CB37 #4E37CB

analogous

#CB9837 #B4CB37 #6ACB37

triadic

#B4CB37 #37B4CB #CB37B4

tetradic

#B4CB37 #37CB98 #4E37CB #CB376A

square

#B4CB37 #37CB98 #4E37CB #CB376A

split-complementary

#B4CB37 #376ACB #9837CB

monochromatic

#5F6C1C #8A9C29 #B4CB37 #C6D868 #D8E498

Accessibility & contrast

On white

1.82

#B4CB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.54

#B4CB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4CB37

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4CB37	#FFFFFF	#000000	##000000
##B4CB37	1.00	1.82	11.54	11.54
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.54	21.00	1.00	1.00
##000000	11.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C019

Deuteranopia (green-blind)

#D6C144

Tritanopia (blue-blind)

#BFC0AF

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #b4cb37;
/* rgb */ color: rgb(180, 203, 55);
/* oklch */ color: oklch(79.9% 0.168 118.2);

Tailwind

colors: {
  custom: {
    50: '#ceda78',
    500: '#b4cb37',
    950: '#000000',
  },
}

SCSS

$custom: #b4cb37;
$custom-light: #ceda78;
$custom-dark: #000000;

JSON

{
  "hex": "#b4cb37",
  "rgb": {
    "r": 180,
    "g": 203,
    "b": 55
  },
  "hsl": {
    "h": 69.324,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.79864,
    "c": 0.16751,
    "h": 118.2
  },
  "luminance": 0.52691
}

Semantic roles & 50–950 ramp

primary

#B4CB37

secondary

#3C3175

accent

#46E25E

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#14140A

muted

#83837D

Preview Lab

Preview with #B4CB37

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

Preview Lab → · Contrast checker → · Palette generator →