#B5C53B#B5C53B

#B5C53B is a light, vivid yellow. Relative luminance 0.501; OKLCH L 78.6% C 0.158 H 115.9°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#B5C53B
RGB	rgb(181, 197, 59)
HSL	hsl(67, 54%, 50%)
HSV	hsv(67, 70%, 77%)
CMYK	cmyk(8.1%, 0%, 70.1%, 22.7%)
CIE-LAB	lab(76.11, -22.93, 63.72)
CIE-LCH	lch(76.11, 67.72, 109.79°)
OKLab	oklab(78.62% -0.069 0.1422)
OKLCH	oklch(78.62% 0.158 115.9)
XYZ	xyz(39.8127, 50.0726, 11.7045)
Luminance	0.5007 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C53B #4B3BC5

analogous

#C5903B #B5C53B #70C53B

triadic

#B5C53B #3BB5C5 #C53BB5

tetradic

#B5C53B #3BC590 #4B3BC5 #C53B70

square

#B5C53B #3BC590 #4B3BC5 #C53B70

split-complementary

#B5C53B #3B70C5 #903BC5

monochromatic

#5F671F #8A962C #B5C53B #C7D36A #D9E199

Accessibility & contrast

On white

1.91

#B5C53B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.01

#B5C53B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C53B

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C53B	#FFFFFF	#000000	##000000
##B5C53B	1.00	1.91	11.01	11.01
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.01	21.00	1.00	1.00
##000000	11.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB24

Deuteranopia (green-blind)

#D1BD46

Tritanopia (blue-blind)

#C0BAAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b5c53b;
/* rgb */ color: rgb(181, 197, 59);
/* oklch */ color: oklch(78.6% 0.158 115.9);

Tailwind

colors: {
  custom: {
    50: '#ced67a',
    500: '#b5c53b',
    950: '#000000',
  },
}

SCSS

$custom: #b5c53b;
$custom-light: #ced67a;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c53b",
  "rgb": {
    "r": 181,
    "g": 197,
    "b": 59
  },
  "hsl": {
    "h": 66.957,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.78622,
    "c": 0.15802,
    "h": 115.9
  },
  "luminance": 0.50072
}

Semantic roles & 50–950 ramp

primary

#B5C53B

secondary

#3A3371

accent

#4ADE5B

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B5C53B

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

Preview Lab → · Contrast checker → · Palette generator →