#B4C121#B4C121

#B4C121 is a light, vivid yellow. Relative luminance 0.480; OKLCH L 77.5% C 0.167 H 114.6°. Best body text is #000000 at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#B4C121
RGB	rgb(180, 193, 33)
HSL	hsl(65, 71%, 44%)
HSV	hsv(65, 83%, 76%)
CMYK	cmyk(6.7%, 0%, 82.9%, 24.3%)
CIE-LAB	lab(74.80, -22.48, 70.46)
CIE-LCH	lch(74.80, 73.95, 107.69°)
OKLab	oklab(77.5% -0.0698 0.1521)
OKLCH	oklch(77.5% 0.167 114.6)
XYZ	xyz(38.1681, 47.9538, 8.6839)
Luminance	0.4795 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C121 #2E21C1

analogous

#C17E21 #B4C121 #64C121

triadic

#B4C121 #21B4C1 #C121B4

tetradic

#B4C121 #21C17E #2E21C1 #C12164

square

#B4C121 #21C17E #2E21C1 #C12164

split-complementary

#B4C121 #2164C1 #7E21C1

monochromatic

#53580F #838D18 #B4C121 #D2DE41 #DEE775

Accessibility & contrast

On white

1.98

#B4C121 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.59

#B4C121 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C121

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C121	#FFFFFF	#000000	##000000
##B4C121	1.00	1.98	10.59	10.59
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.59	21.00	1.00	1.00
##000000	10.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B700

Deuteranopia (green-blind)

#CFB932

Tritanopia (blue-blind)

#C0B5A5

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #b4c121;
/* rgb */ color: rgb(180, 193, 33);
/* oklch */ color: oklch(77.5% 0.167 114.6);

Tailwind

colors: {
  custom: {
    50: '#cfd36e',
    500: '#b4c121',
    950: '#000000',
  },
}

SCSS

$custom: #b4c121;
$custom-light: #cfd36e;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c121",
  "rgb": {
    "r": 180,
    "g": 193,
    "b": 33
  },
  "hsl": {
    "h": 64.875,
    "s": 70.796,
    "l": 44.314
  },
  "oklch": {
    "l": 0.77504,
    "c": 0.16728,
    "h": 114.6
  },
  "luminance": 0.47953
}

Semantic roles & 50–950 ramp

primary

#B4C121

secondary

#776FCF

accent

#3AEE49

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141408

muted

#83827B

Preview Lab

Preview with #B4C121

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

Preview Lab → · Contrast checker → · Palette generator →