#B4D738#B4D738

#B4D738 is a very light, vivid yellow-green. Relative luminance 0.586; OKLCH L 82.6% C 0.181 H 121.5°. Best body text is #000000 at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#B4D738
RGB	rgb(180, 215, 56)
HSL	hsl(73, 67%, 53%)
HSV	hsv(73, 74%, 84%)
CMYK	cmyk(16.3%, 0%, 74%, 15.7%)
CIE-LAB	lab(81.07, -32.07, 69.53)
CIE-LCH	lch(81.07, 76.57, 114.76°)
OKLab	oklab(82.58% -0.0945 0.1539)
OKLCH	oklch(82.58% 0.181 121.5)
XYZ	xyz(43.8373, 58.5897, 12.7401)
Luminance	0.5859 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D738 #5B38D7

analogous

#D7AB38 #B4D738 #64D738

triadic

#B4D738 #38B4D7 #D738B4

tetradic

#B4D738 #38D7AB #5B38D7 #D73864

square

#B4D738 #38D7AB #5B38D7 #D73864

split-complementary

#B4D738 #3864D7 #AB38D7

monochromatic

#667C19 #90AF23 #B4D738 #C7E16B #DAEB9E

Accessibility & contrast

On white

1.65

#B4D738 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.72

#B4D738 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D738

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D738	#FFFFFF	#000000	##000000
##B4D738	1.00	1.65	12.72	12.72
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.72	21.00	1.00	1.00
##000000	12.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CA14

Deuteranopia (green-blind)

#E0C946

Tritanopia (blue-blind)

#BECCB9

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #b4d738;
/* rgb */ color: rgb(180, 215, 56);
/* oklch */ color: oklch(82.6% 0.181 121.5);

Tailwind

colors: {
  custom: {
    50: '#cee37a',
    500: '#b4d738',
    950: '#000000',
  },
}

SCSS

$custom: #b4d738;
$custom-light: #cee37a;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d738",
  "rgb": {
    "r": 180,
    "g": 215,
    "b": 56
  },
  "hsl": {
    "h": 73.208,
    "s": 66.527,
    "l": 53.137
  },
  "oklch": {
    "l": 0.82584,
    "c": 0.1806,
    "h": 121.5
  },
  "luminance": 0.5859
}

Semantic roles & 50–950 ramp

primary

#B4D738

secondary

#423083

accent

#3EE964

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B4D738

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

Preview Lab → · Contrast checker → · Palette generator →