#B5C13B#B5C13B

#B5C13B is a light, vivid yellow. Relative luminance 0.483; OKLCH L 77.7% C 0.154 H 114.4°. Best body text is #000000 at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#B5C13B
RGB	rgb(181, 193, 59)
HSL	hsl(65, 53%, 49%)
HSV	hsv(65, 69%, 76%)
CMYK	cmyk(6.2%, 0%, 69.4%, 24.3%)
CIE-LAB	lab(75.00, -20.97, 62.62)
CIE-LCH	lch(75.00, 66.04, 108.51°)
OKLab	oklab(77.73% -0.0635 0.1398)
OKLCH	oklch(77.73% 0.154 114.4)
XYZ	xyz(38.9165, 48.2802, 11.4058)
Luminance	0.4828 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C13B #473BC1

analogous

#C18A3B #B5C13B #72C13B

triadic

#B5C13B #3BB5C1 #C13BB5

tetradic

#B5C13B #3BC18A #473BC1 #C13B72

square

#B5C13B #3BC18A #473BC1 #C13B72

split-complementary

#B5C13B #3B72C1 #8A3BC1

monochromatic

#5D631E #89922D #B5C13B #C8D168 #D9DF97

Accessibility & contrast

On white

1.97

#B5C13B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.66

#B5C13B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C13B

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C13B	#FFFFFF	#000000	##000000
##B5C13B	1.00	1.97	10.66	10.66
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.66	21.00	1.00	1.00
##000000	10.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB825

Deuteranopia (green-blind)

#CEBA45

Tritanopia (blue-blind)

#C1B6A7

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #b5c13b;
/* rgb */ color: rgb(181, 193, 59);
/* oklch */ color: oklch(77.7% 0.154 114.4);

Tailwind

colors: {
  custom: {
    50: '#ced379',
    500: '#b5c13b',
    950: '#000000',
  },
}

SCSS

$custom: #b5c13b;
$custom-light: #ced379;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c13b",
  "rgb": {
    "r": 181,
    "g": 193,
    "b": 59
  },
  "hsl": {
    "h": 65.373,
    "s": 53.175,
    "l": 49.412
  },
  "oklch": {
    "l": 0.77729,
    "c": 0.15359,
    "h": 114.4
  },
  "luminance": 0.48279
}

Semantic roles & 50–950 ramp

primary

#B5C13B

secondary

#938DCB

accent

#4BDD58

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#14140A

muted

#83827C

Preview Lab

Preview with #B5C13B

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

Preview Lab → · Contrast checker → · Palette generator →