#B5CA28#B5CA28

#B5CA28 is a light, vivid yellow. Relative luminance 0.522; OKLCH L 79.6% C 0.174 H 117.3°. Best body text is #000000 at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#B5CA28
RGB	rgb(181, 202, 40)
HSL	hsl(68, 67%, 47%)
HSV	hsv(68, 80%, 79%)
CMYK	cmyk(10.4%, 0%, 80.2%, 20.8%)
CIE-LAB	lab(77.41, -26.20, 70.97)
CIE-LCH	lch(77.41, 75.65, 110.26°)
OKLab	oklab(79.63% -0.0796 0.1543)
OKLCH	oklch(79.63% 0.174 117.3)
XYZ	xyz(40.5607, 52.2185, 9.9495)
Luminance	0.5222 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5CA28 #3D28CA

analogous

#CA8E28 #B5CA28 #64CA28

triadic

#B5CA28 #28B5CA #CA28B5

tetradic

#B5CA28 #28CA8E #3D28CA #CA2864

square

#B5CA28 #28CA8E #3D28CA #CA2864

split-complementary

#B5CA28 #2864CA #8E28CA

monochromatic

#596414 #87971E #B5CA28 #CBDD52 #DAE785

Accessibility & contrast

On white

1.84

#B5CA28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.44

#B5CA28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5CA28

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5CA28	#FFFFFF	#000000	##000000
##B5CA28	1.00	1.84	11.44	11.44
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.44	21.00	1.00	1.00
##000000	11.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BF00

Deuteranopia (green-blind)

#D6C039

Tritanopia (blue-blind)

#C1BEAD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b5ca28;
/* rgb */ color: rgb(181, 202, 40);
/* oklch */ color: oklch(79.6% 0.174 117.3);

Tailwind

colors: {
  custom: {
    50: '#cfda71',
    500: '#b5ca28',
    950: '#000000',
  },
}

SCSS

$custom: #b5ca28;
$custom-light: #cfda71;
$custom-dark: #000000;

JSON

{
  "hex": "#b5ca28",
  "rgb": {
    "r": 181,
    "g": 202,
    "b": 40
  },
  "hsl": {
    "h": 67.778,
    "s": 66.942,
    "l": 47.451
  },
  "oklch": {
    "l": 0.79633,
    "c": 0.1736,
    "h": 117.3
  },
  "luminance": 0.52218
}

Semantic roles & 50–950 ramp

primary

#B5CA28

secondary

#31286E

accent

#3EEA54

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B5CA28

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

Preview Lab → · Contrast checker → · Palette generator →