#B5CB40#B5CB40

#B5CB40 is a light, vivid yellow. Relative luminance 0.529; OKLCH L 80.0% C 0.162 H 118.0°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#B5CB40
RGB	rgb(181, 203, 64)
HSL	hsl(69, 57%, 52%)
HSV	hsv(69, 68%, 80%)
CMYK	cmyk(10.8%, 0%, 68.5%, 20.4%)
CIE-LAB	lab(77.82, -25.57, 63.57)
CIE-LCH	lch(77.82, 68.52, 111.91°)
OKLab	oklab(80% -0.0759 0.1426)
OKLCH	oklch(80% 0.162 118)
XYZ	xyz(41.3383, 52.9062, 12.8837)
Luminance	0.5291 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5CB40 #5640CB

analogous

#CB9B40 #B5CB40 #70CB40

triadic

#B5CB40 #40B5CB #CB40B5

tetradic

#B5CB40 #40CB9B #5640CB #CB4070

square

#B5CB40 #40CB9B #5640CB #CB4070

split-complementary

#B5CB40 #4070CB #9B40CB

monochromatic

#65721F #8FA22C #B5CB40 #C8D870 #DAE5A0

Accessibility & contrast

On white

1.81

#B5CB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.58

#B5CB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5CB40

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5CB40	#FFFFFF	#000000	##000000
##B5CB40	1.00	1.81	11.58	11.58
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.58	21.00	1.00	1.00
##000000	11.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C02A

Deuteranopia (green-blind)

#D6C14B

Tritanopia (blue-blind)

#C0C0AF

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #b5cb40;
/* rgb */ color: rgb(181, 203, 64);
/* oklch */ color: oklch(80.0% 0.162 118.0);

Tailwind

colors: {
  custom: {
    50: '#ceda7d',
    500: '#b5cb40',
    950: '#000000',
  },
}

SCSS

$custom: #b5cb40;
$custom-light: #ceda7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b5cb40",
  "rgb": {
    "r": 181,
    "g": 203,
    "b": 64
  },
  "hsl": {
    "h": 69.496,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.80002,
    "c": 0.16155,
    "h": 118
  },
  "luminance": 0.52906
}

Semantic roles & 50–950 ramp

primary

#B5CB40

secondary

#40357B

accent

#47E060

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B5CB40

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

Preview Lab → · Contrast checker → · Palette generator →