#B5D03B#B5D03B

#B5D03B is a light, vivid yellow-green. Relative luminance 0.553; OKLCH L 81.1% C 0.170 H 119.4°. Best body text is #000000 at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#B5D03B
RGB	rgb(181, 208, 59)
HSL	hsl(71, 61%, 52%)
HSV	hsv(71, 72%, 82%)
CMYK	cmyk(13%, 0%, 71.6%, 18.4%)
CIE-LAB	lab(79.19, -28.23, 66.74)
CIE-LCH	lch(79.19, 72.46, 112.93°)
OKLab	oklab(81.09% -0.0837 0.1485)
OKLCH	oklch(81.09% 0.17 119.4)
XYZ	xyz(42.4022, 55.2515, 12.5677)
Luminance	0.5525 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5D03B #563BD0

analogous

#D0A03B #B5D03B #6BD03B

triadic

#B5D03B #3BB5D0 #D03BB5

tetradic

#B5D03B #3BD0A0 #563BD0 #D03B6B

square

#B5D03B #3BD0A0 #563BD0 #D03B6B

split-complementary

#B5D03B #3B6BD0 #A03BD0

monochromatic

#65751C #8FA628 #B5D03B #C8DC6C #DAE89E

Accessibility & contrast

On white

1.74

#B5D03B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.05

#B5D03B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D03B

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5D03B	#FFFFFF	#000000	##000000
##B5D03B	1.00	1.74	12.05	12.05
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.05	21.00	1.00	1.00
##000000	12.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC41F

Deuteranopia (green-blind)

#DAC548

Tritanopia (blue-blind)

#BFC5B3

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b5d03b;
/* rgb */ color: rgb(181, 208, 59);
/* oklch */ color: oklch(81.1% 0.170 119.4);

Tailwind

colors: {
  custom: {
    50: '#cfde7b',
    500: '#b5d03b',
    950: '#000000',
  },
}

SCSS

$custom: #b5d03b;
$custom-light: #cfde7b;
$custom-dark: #000000;

JSON

{
  "hex": "#b5d03b",
  "rgb": {
    "r": 181,
    "g": 208,
    "b": 59
  },
  "hsl": {
    "h": 70.872,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.81091,
    "c": 0.17046,
    "h": 119.4
  },
  "luminance": 0.55251
}

Semantic roles & 50–950 ramp

primary

#B5D03B

secondary

#40327D

accent

#43E461

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B5D03B

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

Preview Lab → · Contrast checker → · Palette generator →