#B4EF58#B4EF58

#B4EF58 is a very light, vivid yellow-green. Relative luminance 0.721; OKLCH L 88.3% C 0.189 H 128.0°. Best body text is #000000 at 15.43:1 contrast (WCAG AA passes).

Color values

HEX	#B4EF58
RGB	rgb(180, 239, 88)
HSL	hsl(83, 83%, 64%)
HSV	hsv(83, 63%, 94%)
CMYK	cmyk(24.7%, 0%, 63.2%, 6.3%)
CIE-LAB	lab(88.04, -40.94, 64.85)
CIE-LCH	lch(88.04, 76.69, 122.26°)
OKLab	oklab(88.29% -0.1162 0.1487)
OKLCH	oklch(88.29% 0.189 128)
XYZ	xyz(51.4502, 72.1398, 20.4443)
Luminance	0.7214 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4EF58 #9358EF

analogous

#EFDF58 #B4EF58 #69EF58

triadic

#B4EF58 #58B4EF #EF58B4

tetradic

#B4EF58 #58EFDF #9358EF #EF5869

square

#B4EF58 #58EFDF #9358EF #EF5869

split-complementary

#B4EF58 #5869EF #DF58EF

monochromatic

#79BB12 #9BEA20 #B4EF58 #CDF490 #E6FAC8

Accessibility & contrast

On white

1.36

#B4EF58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.43

#B4EF58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4EF58

15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4EF58	#FFFFFF	#000000	##000000
##B4EF58	1.00	1.36	15.43	15.43
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.43	21.00	1.00	1.00
##000000	15.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF45

Deuteranopia (green-blind)

#F2DC64

Tritanopia (blue-blind)

#BAE5D0

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #b4ef58;
/* rgb */ color: rgb(180, 239, 88);
/* oklch */ color: oklch(88.3% 0.189 128.0);

Tailwind

colors: {
  custom: {
    50: '#cef48d',
    500: '#b4ef58',
    950: '#000000',
  },
}

SCSS

$custom: #b4ef58;
$custom-light: #cef48d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4ef58",
  "rgb": {
    "r": 180,
    "g": 239,
    "b": 88
  },
  "hsl": {
    "h": 83.444,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.88291,
    "c": 0.18866,
    "h": 128
  },
  "luminance": 0.72141
}

Semantic roles & 50–950 ramp

primary

#B4EF58

secondary

#6732BA

accent

#07DF5B

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B4EF58

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

Preview Lab → · Contrast checker → · Palette generator →