#B5D059#B5D059

#B5D059 is a light, vivid yellow-green. Relative luminance 0.557; OKLCH L 81.4% C 0.148 H 120.5°. Best body text is #000000 at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#B5D059
RGB	rgb(181, 208, 89)
HSL	hsl(74, 56%, 58%)
HSV	hsv(74, 57%, 82%)
CMYK	cmyk(13%, 0%, 57.2%, 18.4%)
CIE-LAB	lab(79.42, -26.22, 54.94)
CIE-LCH	lch(79.42, 60.88, 115.51°)
OKLab	oklab(81.35% -0.0753 0.1277)
OKLCH	oklch(81.35% 0.148 120.5)
XYZ	xyz(43.4156, 55.6569, 17.9049)
Luminance	0.5566 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5D059 #7459D0

analogous

#D0AF59 #B5D059 #79D059

triadic

#B5D059 #59B5D0 #D059B5

tetradic

#B5D059 #59D0AF #7459D0 #D05979

square

#B5D059 #59D0AF #7459D0 #D05979

split-complementary

#B5D059 #5979D0 #AF59D0

monochromatic

#728827 #9AB834 #B5D059 #CADE89 #E0EBB8

Accessibility & contrast

On white

1.73

#B5D059 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.13

#B5D059 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D059

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5D059	#FFFFFF	#000000	##000000
##B5D059	1.00	1.73	12.13	12.13
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.13	21.00	1.00	1.00
##000000	12.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC54C

Deuteranopia (green-blind)

#D8C561

Tritanopia (blue-blind)

#BEC6B6

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b5d059;
/* rgb */ color: rgb(181, 208, 89);
/* oklch */ color: oklch(81.4% 0.148 120.5);

Tailwind

colors: {
  custom: {
    50: '#cdde8c',
    500: '#b5d059',
    950: '#000000',
  },
}

SCSS

$custom: #b5d059;
$custom-light: #cdde8c;
$custom-dark: #000000;

JSON

{
  "hex": "#b5d059",
  "rgb": {
    "r": 181,
    "g": 208,
    "b": 89
  },
  "hsl": {
    "h": 73.613,
    "s": 55.869,
    "l": 58.235
  },
  "oklch": {
    "l": 0.81353,
    "c": 0.14824,
    "h": 120.5
  },
  "luminance": 0.55657
}

Semantic roles & 50–950 ramp

primary

#B5D059

secondary

#513E8F

accent

#49DF6B

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14150C

muted

#83847F

Preview Lab

Preview with #B5D059

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

Preview Lab → · Contrast checker → · Palette generator →