#B4D439#B4D439

#B4D439 is a light, vivid yellow-green. Relative luminance 0.571; OKLCH L 81.9% C 0.177 H 120.8°. Best body text is #000000 at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#B4D439
RGB	rgb(180, 212, 57)
HSL	hsl(72, 64%, 53%)
HSV	hsv(72, 73%, 83%)
CMYK	cmyk(15.1%, 0%, 73.1%, 16.9%)
CIE-LAB	lab(80.23, -30.63, 68.40)
CIE-LCH	lch(80.23, 74.95, 114.12°)
OKLab	oklab(81.91% -0.0904 0.1517)
OKLCH	oklch(81.91% 0.177 120.8)
XYZ	xyz(43.1051, 57.0858, 12.6179)
Luminance	0.5709 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D439 #5939D4

analogous

#D4A639 #B4D439 #67D439

triadic

#B4D439 #39B4D4 #D439B4

tetradic

#B4D439 #39D4A6 #5939D4 #D43967

square

#B4D439 #39D4A6 #5939D4 #D43967

split-complementary

#B4D439 #3967D4 #A639D4

monochromatic

#65781A #8FAB25 #B4D439 #C7DF6B #DAEA9E

Accessibility & contrast

On white

1.69

#B4D439 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.42

#B4D439 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D439

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D439	#FFFFFF	#000000	##000000
##B4D439	1.00	1.69	12.42	12.42
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.42	21.00	1.00	1.00
##000000	12.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C719

Deuteranopia (green-blind)

#DDC747

Tritanopia (blue-blind)

#BEC9B6

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b4d439;
/* rgb */ color: rgb(180, 212, 57);
/* oklch */ color: oklch(81.9% 0.177 120.8);

Tailwind

colors: {
  custom: {
    50: '#cee17a',
    500: '#b4d439',
    950: '#000000',
  },
}

SCSS

$custom: #b4d439;
$custom-light: #cee17a;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d439",
  "rgb": {
    "r": 180,
    "g": 212,
    "b": 57
  },
  "hsl": {
    "h": 72.387,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.8191,
    "c": 0.1766,
    "h": 120.8
  },
  "luminance": 0.57086
}

Semantic roles & 50–950 ramp

primary

#B4D439

secondary

#413180

accent

#40E763

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B4D439

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

Preview Lab → · Contrast checker → · Palette generator →