#B4E33B#B4E33B

#B4E33B is a very light, vivid yellow-green. Relative luminance 0.650; OKLCH L 85.3% C 0.193 H 124.4°. Best body text is #000000 at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#B4E33B
RGB	rgb(180, 227, 59)
HSL	hsl(77, 75%, 56%)
HSV	hsv(77, 74%, 89%)
CMYK	cmyk(20.7%, 0%, 74%, 11%)
CIE-LAB	lab(84.46, -37.41, 71.80)
CIE-LCH	lch(84.46, 80.96, 117.52°)
OKLab	oklab(85.33% -0.1088 0.1592)
OKLCH	oklch(85.33% 0.193 124.4)
XYZ	xyz(47.0814, 64.9568, 14.1943)
Luminance	0.6496 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4E33B #6A3BE3

analogous

#E3BE3B #B4E33B #60E33B

triadic

#B4E33B #3BB4E3 #E33BB4

tetradic

#B4E33B #3BE3BE #6A3BE3 #E33B60

square

#B4E33B #3BE3BE #6A3BE3 #E33B60

split-complementary

#B4E33B #3B60E3 #BE3BE3

monochromatic

#6D8F14 #96C51C #B4E33B #C8EB71 #DDF2A6

Accessibility & contrast

On white

1.50

#B4E33B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.99

#B4E33B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4E33B

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4E33B	#FFFFFF	#000000	##000000
##B4E33B	1.00	1.50	13.99	13.99
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.99	21.00	1.00	1.00
##000000	13.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D415

Deuteranopia (green-blind)

#E9D24B

Tritanopia (blue-blind)

#BDD8C3

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #b4e33b;
/* rgb */ color: rgb(180, 227, 59);
/* oklch */ color: oklch(85.3% 0.193 124.4);

Tailwind

colors: {
  custom: {
    50: '#cfec7d',
    500: '#b4e33b',
    950: '#000000',
  },
}

SCSS

$custom: #b4e33b;
$custom-light: #cfec7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4e33b",
  "rgb": {
    "r": 180,
    "g": 227,
    "b": 59
  },
  "hsl": {
    "h": 76.786,
    "s": 75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.85334,
    "c": 0.19283,
    "h": 124.4
  },
  "luminance": 0.64957
}

Semantic roles & 50–950 ramp

primary

#B4E33B

secondary

#4B2E94

accent

#36F26B

background

#FEFEFB

surface

#FBFDF2

border

#D4D5CC

text

#14160B

muted

#83847E

Preview Lab

Preview with #B4E33B

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

Preview Lab → · Contrast checker → · Palette generator →