#B3EF64#B3EF64

#B3EF64 is a very light, vivid yellow-green. Relative luminance 0.722; OKLCH L 88.3% C 0.180 H 129.1°. Best body text is #000000 at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#B3EF64
RGB	rgb(179, 239, 100)
HSL	hsl(86, 81%, 66%)
HSV	hsv(86, 58%, 94%)
CMYK	cmyk(25.1%, 0%, 58.2%, 6.3%)
CIE-LAB	lab(88.08, -40.33, 59.88)
CIE-LCH	lch(88.08, 72.19, 123.96°)
OKLab	oklab(88.35% -0.1134 0.1395)
OKLCH	oklch(88.35% 0.18 129.1)
XYZ	xyz(51.7568, 72.2357, 23.2701)
Luminance	0.7224 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3EF64 #A064EF

analogous

#EFE564 #B3EF64 #6EEF64

triadic

#B3EF64 #64B3EF #EF64B3

tetradic

#B3EF64 #64EFE5 #A064EF #EF646E

square

#B3EF64 #64EFE5 #A064EF #EF646E

split-complementary

#B3EF64 #646EEF #E564EF

monochromatic

#78C414 #98E92D #B3EF64 #CEF59B #E9FAD3

Accessibility & contrast

On white

1.36

#B3EF64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.45

#B3EF64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3EF64

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3EF64	#FFFFFF	#000000	##000000
##B3EF64	1.00	1.36	15.45	15.45
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.45	21.00	1.00	1.00
##000000	15.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E055

Deuteranopia (green-blind)

#F1DC6E

Tritanopia (blue-blind)

#B8E5D1

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #b3ef64;
/* rgb */ color: rgb(179, 239, 100);
/* oklch */ color: oklch(88.3% 0.180 129.1);

Tailwind

colors: {
  custom: {
    50: '#cdf495',
    500: '#b3ef64',
    950: '#000000',
  },
}

SCSS

$custom: #b3ef64;
$custom-light: #cdf495;
$custom-dark: #000000;

JSON

{
  "hex": "#b3ef64",
  "rgb": {
    "r": 179,
    "g": 239,
    "b": 100
  },
  "hsl": {
    "h": 85.899,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.88346,
    "c": 0.17976,
    "h": 129.1
  },
  "luminance": 0.72237
}

Semantic roles & 50–950 ramp

primary

#B3EF64

secondary

#7235C2

accent

#08DE64

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B3EF64

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

Preview Lab → · Contrast checker → · Palette generator →