#B5D738#B5D738

#B5D738 is a very light, vivid yellow-green. Relative luminance 0.587; OKLCH L 82.7% C 0.180 H 121.2°. Best body text is #000000 at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#B5D738
RGB	rgb(181, 215, 56)
HSL	hsl(73, 67%, 53%)
HSV	hsv(73, 74%, 84%)
CMYK	cmyk(15.8%, 0%, 74%, 15.7%)
CIE-LAB	lab(81.13, -31.68, 69.62)
CIE-LCH	lch(81.13, 76.49, 114.46°)
OKLab	oklab(82.66% -0.0934 0.1541)
OKLCH	oklch(82.66% 0.18 121.2)
XYZ	xyz(44.0710, 58.7102, 12.7511)
Luminance	0.5871 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5D738 #5A38D7

analogous

#D7A938 #B5D738 #65D738

triadic

#B5D738 #38B5D7 #D738B5

tetradic

#B5D738 #38D7A9 #5A38D7 #D73865

square

#B5D738 #38D7A9 #5A38D7 #D73865

split-complementary

#B5D738 #3865D7 #A938D7

monochromatic

#677C19 #91AF23 #B5D738 #C8E16B #DBEB9E

Accessibility & contrast

On white

1.65

#B5D738 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.74

#B5D738 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D738

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5D738	#FFFFFF	#000000	##000000
##B5D738	1.00	1.65	12.74	12.74
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.74	21.00	1.00	1.00
##000000	12.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CA14

Deuteranopia (green-blind)

#E0CA46

Tritanopia (blue-blind)

#BFCCB9

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #b5d738;
/* rgb */ color: rgb(181, 215, 56);
/* oklch */ color: oklch(82.7% 0.180 121.2);

Tailwind

colors: {
  custom: {
    50: '#cfe37a',
    500: '#b5d738',
    950: '#000000',
  },
}

SCSS

$custom: #b5d738;
$custom-light: #cfe37a;
$custom-dark: #000000;

JSON

{
  "hex": "#b5d738",
  "rgb": {
    "r": 181,
    "g": 215,
    "b": 56
  },
  "hsl": {
    "h": 72.83,
    "s": 66.527,
    "l": 53.137
  },
  "oklch": {
    "l": 0.82655,
    "c": 0.18019,
    "h": 121.2
  },
  "luminance": 0.5871
}

Semantic roles & 50–950 ramp

primary

#B5D738

secondary

#423083

accent

#3EE963

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B5D738

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

Preview Lab → · Contrast checker → · Palette generator →