#B4D037#B4D037

#B4D037 is a light, vivid yellow-green. Relative luminance 0.551; OKLCH L 81.0% C 0.173 H 119.6°. Best body text is #000000 at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#B4D037
RGB	rgb(180, 208, 55)
HSL	hsl(71, 62%, 52%)
HSV	hsv(71, 74%, 82%)
CMYK	cmyk(13.5%, 0%, 73.6%, 18.4%)
CIE-LAB	lab(79.09, -28.84, 67.98)
CIE-LCH	lch(79.09, 73.85, 112.99°)
OKLab	oklab(80.99% -0.0856 0.1505)
OKLCH	oklch(80.99% 0.173 119.6)
XYZ	xyz(42.0687, 55.0911, 12.0311)
Luminance	0.5509 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D037 #5337D0

analogous

#D09F37 #B4D037 #68D037

triadic

#B4D037 #37B4D0 #D037B4

tetradic

#B4D037 #37D09F #5337D0 #D03768

square

#B4D037 #37D09F #5337D0 #D03768

split-complementary

#B4D037 #3768D0 #9F37D0

monochromatic

#62721B #8DA326 #B4D037 #C7DC69 #D9E79A

Accessibility & contrast

On white

1.75

#B4D037 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.02

#B4D037 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D037

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D037	#FFFFFF	#000000	##000000
##B4D037	1.00	1.75	12.02	12.02
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.02	21.00	1.00	1.00
##000000	12.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC416

Deuteranopia (green-blind)

#DAC445

Tritanopia (blue-blind)

#BEC5B3

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b4d037;
/* rgb */ color: rgb(180, 208, 55);
/* oklch */ color: oklch(81.0% 0.173 119.6);

Tailwind

colors: {
  custom: {
    50: '#cede79',
    500: '#b4d037',
    950: '#000000',
  },
}

SCSS

$custom: #b4d037;
$custom-light: #cede79;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d037",
  "rgb": {
    "r": 180,
    "g": 208,
    "b": 55
  },
  "hsl": {
    "h": 70.98,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.80992,
    "c": 0.17317,
    "h": 119.6
  },
  "luminance": 0.55091
}

Semantic roles & 50–950 ramp

primary

#B4D037

secondary

#3E307B

accent

#43E560

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B4D037

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

Preview Lab → · Contrast checker → · Palette generator →