#B5DC39#B5DC39

#B5DC39 is a very light, vivid yellow-green. Relative luminance 0.613; OKLCH L 83.8% C 0.185 H 122.5°. Best body text is #000000 at 13.26:1 contrast (WCAG AA passes).

Color values

HEX	#B5DC39
RGB	rgb(181, 220, 57)
HSL	hsl(74, 70%, 54%)
HSV	hsv(74, 74%, 86%)
CMYK	cmyk(17.7%, 0%, 74.1%, 13.7%)
CIE-LAB	lab(82.54, -33.94, 70.64)
CIE-LCH	lch(82.54, 78.37, 115.66°)
OKLab	oklab(83.8% -0.0996 0.1564)
OKLCH	oklch(83.8% 0.185 122.5)
XYZ	xyz(45.3884, 61.3054, 13.3121)
Luminance	0.6131 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5DC39 #6039DC

analogous

#DCB239 #B5DC39 #64DC39

triadic

#B5DC39 #39B5DC #DC39B5

tetradic

#B5DC39 #39DCB2 #6039DC #DC3964

square

#B5DC39 #39DCB2 #6039DC #DC3964

split-complementary

#B5DC39 #3964DC #B239DC

monochromatic

#6A8317 #93B720 #B5DC39 #C8E56D #DCEEA1

Accessibility & contrast

On white

1.58

#B5DC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.26

#B5DC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5DC39

13.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5DC39	#FFFFFF	#000000	##000000
##B5DC39	1.00	1.58	13.26	13.26
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.26	21.00	1.00	1.00
##000000	13.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9CE14

Deuteranopia (green-blind)

#E4CD48

Tritanopia (blue-blind)

#BED1BD

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #b5dc39;
/* rgb */ color: rgb(181, 220, 57);
/* oklch */ color: oklch(83.8% 0.185 122.5);

Tailwind

colors: {
  custom: {
    50: '#cfe77b',
    500: '#b5dc39',
    950: '#000000',
  },
}

SCSS

$custom: #b5dc39;
$custom-light: #cfe77b;
$custom-dark: #000000;

JSON

{
  "hex": "#b5dc39",
  "rgb": {
    "r": 181,
    "g": 220,
    "b": 57
  },
  "hsl": {
    "h": 74.356,
    "s": 69.957,
    "l": 54.314
  },
  "oklch": {
    "l": 0.83795,
    "c": 0.18538,
    "h": 122.5
  },
  "luminance": 0.61306
}

Semantic roles & 50–950 ramp

primary

#B5DC39

secondary

#452F8A

accent

#3BED66

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14160A

muted

#83847D

Preview Lab

Preview with #B5DC39

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

Preview Lab → · Contrast checker → · Palette generator →