#B5D439#B5D439

#B5D439 is a light, vivid yellow-green. Relative luminance 0.572; OKLCH L 82.0% C 0.176 H 120.5°. Best body text is #000000 at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#B5D439
RGB	rgb(181, 212, 57)
HSL	hsl(72, 64%, 53%)
HSV	hsv(72, 73%, 83%)
CMYK	cmyk(14.6%, 0%, 73.1%, 16.9%)
CIE-LAB	lab(80.30, -30.22, 68.49)
CIE-LCH	lch(80.30, 74.86, 113.81°)
OKLab	oklab(81.98% -0.0893 0.1519)
OKLCH	oklch(81.98% 0.176 120.5)
XYZ	xyz(43.3388, 57.2063, 12.6289)
Luminance	0.5721 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5D439 #5839D4

analogous

#D4A539 #B5D439 #67D439

triadic

#B5D439 #39B5D4 #D439B5

tetradic

#B5D439 #39D4A5 #5839D4 #D43967

square

#B5D439 #39D4A5 #5839D4 #D43967

split-complementary

#B5D439 #3967D4 #A539D4

monochromatic

#66781A #90AB25 #B5D439 #C8DF6B #DBEA9E

Accessibility & contrast

On white

1.69

#B5D439 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.44

#B5D439 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D439

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5D439	#FFFFFF	#000000	##000000
##B5D439	1.00	1.69	12.44	12.44
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.44	21.00	1.00	1.00
##000000	12.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C819

Deuteranopia (green-blind)

#DEC747

Tritanopia (blue-blind)

#BFC9B6

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b5d439;
/* rgb */ color: rgb(181, 212, 57);
/* oklch */ color: oklch(82.0% 0.176 120.5);

Tailwind

colors: {
  custom: {
    50: '#cfe17a',
    500: '#b5d439',
    950: '#000000',
  },
}

SCSS

$custom: #b5d439;
$custom-light: #cfe17a;
$custom-dark: #000000;

JSON

{
  "hex": "#b5d439",
  "rgb": {
    "r": 181,
    "g": 212,
    "b": 57
  },
  "hsl": {
    "h": 72,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.81982,
    "c": 0.1762,
    "h": 120.5
  },
  "luminance": 0.57206
}

Semantic roles & 50–950 ramp

primary

#B5D439

secondary

#413180

accent

#40E762

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B5D439

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

Preview Lab → · Contrast checker → · Palette generator →