#B5CB38#B5CB38

#B5CB38 is a light, vivid yellow. Relative luminance 0.528; OKLCH L 79.9% C 0.167 H 117.8°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#B5CB38
RGB	rgb(181, 203, 56)
HSL	hsl(69, 59%, 51%)
HSV	hsv(69, 72%, 80%)
CMYK	cmyk(10.8%, 0%, 72.4%, 20.4%)
CIE-LAB	lab(77.77, -26.00, 66.40)
CIE-LCH	lch(77.77, 71.31, 111.38°)
OKLab	oklab(79.95% -0.0778 0.1473)
OKLCH	oklch(79.95% 0.167 117.8)
XYZ	xyz(41.1267, 52.8216, 11.7696)
Luminance	0.5282 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5CB38 #4E38CB

analogous

#CB9838 #B5CB38 #6BCB38

triadic

#B5CB38 #38B5CB #CB38B5

tetradic

#B5CB38 #38CB98 #4E38CB #CB386B

square

#B5CB38 #38CB98 #4E38CB #CB386B

split-complementary

#B5CB38 #386BCB #9838CB

monochromatic

#606C1C #8B9D29 #B5CB38 #C7D869 #D9E499

Accessibility & contrast

On white

1.82

#B5CB38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.56

#B5CB38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5CB38

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5CB38	#FFFFFF	#000000	##000000
##B5CB38	1.00	1.82	11.56	11.56
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.56	21.00	1.00	1.00
##000000	11.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C01B

Deuteranopia (green-blind)

#D6C144

Tritanopia (blue-blind)

#C0C0AF

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #b5cb38;
/* rgb */ color: rgb(181, 203, 56);
/* oklch */ color: oklch(79.9% 0.167 117.8);

Tailwind

colors: {
  custom: {
    50: '#cfda79',
    500: '#b5cb38',
    950: '#000000',
  },
}

SCSS

$custom: #b5cb38;
$custom-light: #cfda79;
$custom-dark: #000000;

JSON

{
  "hex": "#b5cb38",
  "rgb": {
    "r": 181,
    "g": 203,
    "b": 56
  },
  "hsl": {
    "h": 68.98,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.79946,
    "c": 0.16657,
    "h": 117.8
  },
  "luminance": 0.52821
}

Semantic roles & 50–950 ramp

primary

#B5CB38

secondary

#3C3176

accent

#46E25D

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B5CB38

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

Preview Lab → · Contrast checker → · Palette generator →