#B5DA39#B5DA39

#B5DA39 is a very light, vivid yellow-green. Relative luminance 0.603; OKLCH L 83.3% C 0.183 H 122.0°. Best body text is #000000 at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#B5DA39
RGB	rgb(181, 218, 57)
HSL	hsl(74, 69%, 54%)
HSV	hsv(74, 74%, 85%)
CMYK	cmyk(17%, 0%, 73.9%, 14.5%)
CIE-LAB	lab(81.98, -33.02, 70.10)
CIE-LCH	lch(81.98, 77.49, 115.22°)
OKLab	oklab(83.34% -0.097 0.1553)
OKLCH	oklch(83.34% 0.183 122)
XYZ	xyz(44.8667, 60.2619, 13.1381)
Luminance	0.6026 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5DA39 #5E39DA

analogous

#DAAF39 #B5DA39 #65DA39

triadic

#B5DA39 #39B5DA #DA39B5

tetradic

#B5DA39 #39DAAF #5E39DA #DA3965

square

#B5DA39 #39DAAF #5E39DA #DA3965

split-complementary

#B5DA39 #3965DA #AF39DA

monochromatic

#698118 #92B422 #B5DA39 #C8E46D #DCEDA0

Accessibility & contrast

On white

1.61

#B5DA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.05

#B5DA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5DA39

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5DA39	#FFFFFF	#000000	##000000
##B5DA39	1.00	1.61	13.05	13.05
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.05	21.00	1.00	1.00
##000000	13.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CD15

Deuteranopia (green-blind)

#E2CC48

Tritanopia (blue-blind)

#BFCFBB

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #b5da39;
/* rgb */ color: rgb(181, 218, 57);
/* oklch */ color: oklch(83.3% 0.183 122.0);

Tailwind

colors: {
  custom: {
    50: '#cfe57b',
    500: '#b5da39',
    950: '#000000',
  },
}

SCSS

$custom: #b5da39;
$custom-light: #cfe57b;
$custom-dark: #000000;

JSON

{
  "hex": "#b5da39",
  "rgb": {
    "r": 181,
    "g": 218,
    "b": 57
  },
  "hsl": {
    "h": 73.789,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.83341,
    "c": 0.18309,
    "h": 122
  },
  "luminance": 0.60262
}

Semantic roles & 50–950 ramp

primary

#B5DA39

secondary

#443088

accent

#3CEB65

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B5DA39

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

Preview Lab → · Contrast checker → · Palette generator →