#B4E663#B4E663

#B4E663 is a very light, vivid yellow-green. Relative luminance 0.672; OKLCH L 86.4% C 0.168 H 127.1°. Best body text is #000000 at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#B4E663
RGB	rgb(180, 230, 99)
HSL	hsl(83, 72%, 65%)
HSV	hsv(83, 57%, 90%)
CMYK	cmyk(21.7%, 0%, 57%, 9.8%)
CIE-LAB	lab(85.60, -36.02, 57.52)
CIE-LCH	lch(85.60, 67.86, 122.06°)
OKLab	oklab(86.35% -0.1016 0.1343)
OKLCH	oklch(86.35% 0.168 127.1)
XYZ	xyz(49.3712, 67.1970, 22.1712)
Luminance	0.6720 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 5.31

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4E663 #9563E6

analogous

#E6D763 #B4E663 #73E663

triadic

#B4E663 #63B4E6 #E663B4

tetradic

#B4E663 #63E6D7 #9563E6 #E66373

square

#B4E663 #63E6D7 #9563E6 #E66373

split-complementary

#B4E663 #6373E6 #D763E6

monochromatic

#79B21D #9BDE2E #B4E663 #CDEE98 #E7F7CC

Accessibility & contrast

On white

1.45

#B4E663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.44

#B4E663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4E663

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4E663	#FFFFFF	#000000	##000000
##B4E663	1.00	1.45	14.44	14.44
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.44	21.00	1.00	1.00
##000000	14.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D855

Deuteranopia (green-blind)

#EAD56C

Tritanopia (blue-blind)

#BADCC9

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #b4e663;
/* rgb */ color: rgb(180, 230, 99);
/* oklch */ color: oklch(86.4% 0.168 127.1);

Tailwind

colors: {
  custom: {
    50: '#cdee93',
    500: '#b4e663',
    950: '#000000',
  },
}

SCSS

$custom: #b4e663;
$custom-light: #cdee93;
$custom-dark: #000000;

JSON

{
  "hex": "#b4e663",
  "rgb": {
    "r": 180,
    "g": 230,
    "b": 99
  },
  "hsl": {
    "h": 82.901,
    "s": 72.376,
    "l": 64.51
  },
  "oklch": {
    "l": 0.86353,
    "c": 0.16841,
    "h": 127.1
  },
  "luminance": 0.67198
}

Semantic roles & 50–950 ramp

primary

#B4E663

secondary

#683BB3

accent

#11D45C

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14160D

muted

#83857F

Preview Lab

Preview with #B4E663

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

Preview Lab → · Contrast checker → · Palette generator →