#B4EF63#B4EF63

#B4EF63 is a very light, vivid yellow-green. Relative luminance 0.723; OKLCH L 88.4% C 0.180 H 128.8°. Best body text is #000000 at 15.47:1 contrast (WCAG AA passes).

Color values

HEX	#B4EF63
RGB	rgb(180, 239, 99)
HSL	hsl(85, 81%, 66%)
HSV	hsv(85, 59%, 94%)
CMYK	cmyk(24.7%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(88.13, -40.05, 60.38)
CIE-LCH	lch(88.13, 72.45, 123.56°)
OKLab	oklab(88.4% -0.1128 0.1404)
OKLCH	oklch(88.4% 0.18 128.8)
XYZ	xyz(51.9408, 72.3360, 23.0277)
Luminance	0.7234 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4EF63 #9E63EF

analogous

#EFE463 #B4EF63 #6EEF63

triadic

#B4EF63 #63B4EF #EF63B4

tetradic

#B4EF63 #63EFE4 #9E63EF #EF636E

square

#B4EF63 #63EFE4 #9E63EF #EF636E

split-complementary

#B4EF63 #636EEF #E463EF

monochromatic

#7AC414 #99E92B #B4EF63 #CFF59B #E9FAD2

Accessibility & contrast

On white

1.36

#B4EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.47

#B4EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4EF63

15.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4EF63	#FFFFFF	#000000	##000000
##B4EF63	1.00	1.36	15.47	15.47
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.47	21.00	1.00	1.00
##000000	15.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE054

Deuteranopia (green-blind)

#F1DC6D

Tritanopia (blue-blind)

#B9E5D1

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #b4ef63;
/* rgb */ color: rgb(180, 239, 99);
/* oklch */ color: oklch(88.4% 0.180 128.8);

Tailwind

colors: {
  custom: {
    50: '#cef494',
    500: '#b4ef63',
    950: '#000000',
  },
}

SCSS

$custom: #b4ef63;
$custom-light: #cef494;
$custom-dark: #000000;

JSON

{
  "hex": "#b4ef63",
  "rgb": {
    "r": 180,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 85.286,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.88397,
    "c": 0.18011,
    "h": 128.8
  },
  "luminance": 0.72337
}

Semantic roles & 50–950 ramp

primary

#B4EF63

secondary

#7035C1

accent

#08DE62

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#14170D

muted

#83857F

Preview Lab

Preview with #B4EF63

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

Preview Lab → · Contrast checker → · Palette generator →