#B4D440#B4D440

#B4D440 is a light, vivid yellow-green. Relative luminance 0.572; OKLCH L 82.0% C 0.172 H 121.0°. Best body text is #000000 at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#B4D440
RGB	rgb(180, 212, 64)
HSL	hsl(73, 63%, 54%)
HSV	hsv(73, 70%, 83%)
CMYK	cmyk(15.1%, 0%, 69.8%, 16.9%)
CIE-LAB	lab(80.27, -30.25, 66.00)
CIE-LCH	lch(80.27, 72.61, 114.62°)
OKLab	oklab(81.96% -0.0888 0.1478)
OKLCH	oklch(81.96% 0.172 121)
XYZ	xyz(43.2920, 57.1605, 13.6019)
Luminance	0.5716 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D440 #6040D4

analogous

#D4AA40 #B4D440 #6AD440

triadic

#B4D440 #40B4D4 #D440B4

tetradic

#B4D440 #40D4AA #6040D4 #D4406A

square

#B4D440 #40D4AA #6040D4 #D4406A

split-complementary

#B4D440 #406AD4 #AA40D4

monochromatic

#687D1C #92AF27 #B4D440 #C8DF72 #DBEAA4

Accessibility & contrast

On white

1.69

#B4D440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.43

#B4D440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D440

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D440	#FFFFFF	#000000	##000000
##B4D440	1.00	1.69	12.43	12.43
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.43	21.00	1.00	1.00
##000000	12.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C827

Deuteranopia (green-blind)

#DDC74C

Tritanopia (blue-blind)

#BEC9B7

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b4d440;
/* rgb */ color: rgb(180, 212, 64);
/* oklch */ color: oklch(82.0% 0.172 121.0);

Tailwind

colors: {
  custom: {
    50: '#cee17e',
    500: '#b4d440',
    950: '#000000',
  },
}

SCSS

$custom: #b4d440;
$custom-light: #cee17e;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d440",
  "rgb": {
    "r": 180,
    "g": 212,
    "b": 64
  },
  "hsl": {
    "h": 72.973,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.81957,
    "c": 0.17239,
    "h": 121
  },
  "luminance": 0.5716
}

Semantic roles & 50–950 ramp

primary

#B4D440

secondary

#453385

accent

#42E665

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B4D440

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

Preview Lab → · Contrast checker → · Palette generator →