#B4CA28#B4CA28

#B4CA28 is a light, vivid yellow. Relative luminance 0.521; OKLCH L 79.6% C 0.174 H 117.6°. Best body text is #000000 at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#B4CA28
RGB	rgb(180, 202, 40)
HSL	hsl(68, 67%, 47%)
HSV	hsv(68, 80%, 79%)
CMYK	cmyk(10.9%, 0%, 80.2%, 20.8%)
CIE-LAB	lab(77.34, -26.61, 70.88)
CIE-LCH	lch(77.34, 75.71, 110.58°)
OKLab	oklab(79.56% -0.0807 0.1541)
OKLCH	oklch(79.56% 0.174 117.6)
XYZ	xyz(40.3270, 52.0980, 9.9386)
Luminance	0.5210 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4CA28 #3E28CA

analogous

#CA8F28 #B4CA28 #63CA28

triadic

#B4CA28 #28B4CA #CA28B4

tetradic

#B4CA28 #28CA8F #3E28CA #CA2863

square

#B4CA28 #28CA8F #3E28CA #CA2863

split-complementary

#B4CA28 #2863CA #8F28CA

monochromatic

#596414 #86971E #B4CA28 #CADD52 #DAE785

Accessibility & contrast

On white

1.84

#B4CA28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.42

#B4CA28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4CA28

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4CA28	#FFFFFF	#000000	##000000
##B4CA28	1.00	1.84	11.42	11.42
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.42	21.00	1.00	1.00
##000000	11.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BF00

Deuteranopia (green-blind)

#D6C039

Tritanopia (blue-blind)

#BFBEAD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b4ca28;
/* rgb */ color: rgb(180, 202, 40);
/* oklch */ color: oklch(79.6% 0.174 117.6);

Tailwind

colors: {
  custom: {
    50: '#ceda71',
    500: '#b4ca28',
    950: '#000000',
  },
}

SCSS

$custom: #b4ca28;
$custom-light: #ceda71;
$custom-dark: #000000;

JSON

{
  "hex": "#b4ca28",
  "rgb": {
    "r": 180,
    "g": 202,
    "b": 40
  },
  "hsl": {
    "h": 68.148,
    "s": 66.942,
    "l": 47.451
  },
  "oklch": {
    "l": 0.79557,
    "c": 0.17396,
    "h": 117.6
  },
  "luminance": 0.52098
}

Semantic roles & 50–950 ramp

primary

#B4CA28

secondary

#31286E

accent

#3EEA55

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B4CA28

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

Preview Lab → · Contrast checker → · Palette generator →