#B4E666#B4E666

#B4E666 is a very light, vivid yellow-green. Relative luminance 0.673; OKLCH L 86.4% C 0.166 H 127.4°. Best body text is #000000 at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#B4E666
RGB	rgb(180, 230, 102)
HSL	hsl(83, 72%, 65%)
HSV	hsv(83, 56%, 90%)
CMYK	cmyk(21.7%, 0%, 55.7%, 9.8%)
CIE-LAB	lab(85.63, -35.75, 56.22)
CIE-LCH	lch(85.63, 66.62, 122.45°)
OKLab	oklab(86.39% -0.1006 0.1318)
OKLCH	oklch(86.39% 0.166 127.4)
XYZ	xyz(49.5173, 67.2554, 22.9406)
Luminance	0.6726 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4E666 #9866E6

analogous

#E6D866 #B4E666 #74E666

triadic

#B4E666 #66B4E6 #E666B4

tetradic

#B4E666 #66E6D8 #9866E6 #E66674

square

#B4E666 #66E6D8 #9866E6 #E66674

split-complementary

#B4E666 #6674E6 #D866E6

monochromatic

#79B41D #9ADD31 #B4E666 #CEEF9B #E8F7CF

Accessibility & contrast

On white

1.45

#B4E666 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.45

#B4E666 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4E666

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4E666	#FFFFFF	#000000	##000000
##B4E666	1.00	1.45	14.45	14.45
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.45	21.00	1.00	1.00
##000000	14.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D859

Deuteranopia (green-blind)

#E9D56E

Tritanopia (blue-blind)

#BADDCA

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #b4e666;
/* rgb */ color: rgb(180, 230, 102);
/* oklch */ color: oklch(86.4% 0.166 127.4);

Tailwind

colors: {
  custom: {
    50: '#cdee95',
    500: '#b4e666',
    950: '#000000',
  },
}

SCSS

$custom: #b4e666;
$custom-light: #cdee95;
$custom-dark: #000000;

JSON

{
  "hex": "#b4e666",
  "rgb": {
    "r": 180,
    "g": 230,
    "b": 102
  },
  "hsl": {
    "h": 83.438,
    "s": 71.91,
    "l": 65.098
  },
  "oklch": {
    "l": 0.86386,
    "c": 0.16582,
    "h": 127.4
  },
  "luminance": 0.67256
}

Semantic roles & 50–950 ramp

primary

#B4E666

secondary

#6B3CB5

accent

#12D45D

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#14160E

muted

#83857F

Preview Lab

Preview with #B4E666

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

Preview Lab → · Contrast checker → · Palette generator →