#66F256#66F256

#66F256 is a very light, highly saturated green. Relative luminance 0.670; OKLCH L 85.3% C 0.231 H 141.6°. Best body text is #000000 at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#66F256
RGB	rgb(102, 242, 86)
HSL	hsl(114, 86%, 64%)
HSV	hsv(114, 64%, 95%)
CMYK	cmyk(57.9%, 0%, 64.5%, 5.1%)
CIE-LAB	lab(85.50, -66.25, 61.92)
CIE-LCH	lch(85.50, 90.68, 136.94°)
OKLab	oklab(85.3% -0.1808 0.1431)
OKLCH	oklch(85.3% 0.231 141.6)
XYZ	xyz(38.9094, 66.9974, 19.6837)
Luminance	0.6700 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F256 #E256F2

analogous

#B4F256 #66F256 #56F294

triadic

#66F256 #5666F2 #F25666

tetradic

#66F256 #56B4F2 #E256F2 #F29456

square

#66F256 #56B4F2 #E256F2 #F29456

split-complementary

#66F256 #9456F2 #F256B4

monochromatic

#21BF0F #33EE1D #66F256 #99F68F #CDFBC8

Accessibility & contrast

On white

1.46

#66F256 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.40

#66F256 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F256

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F256	#FFFFFF	#000000	##000000
##66F256	1.00	1.46	14.40	14.40
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.40	21.00	1.00	1.00
##000000	14.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DD42

Deuteranopia (green-blind)

#E6D164

Tritanopia (blue-blind)

#51EBD2

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66f256;
/* rgb */ color: rgb(102, 242, 86);
/* oklch */ color: oklch(85.3% 0.231 141.6);

Tailwind

colors: {
  custom: {
    50: '#9ff78c',
    500: '#66f256',
    950: '#000000',
  },
}

SCSS

$custom: #66f256;
$custom-light: #9ff78c;
$custom-dark: #000000;

JSON

{
  "hex": "#66f256",
  "rgb": {
    "r": 102,
    "g": 242,
    "b": 86
  },
  "hsl": {
    "h": 113.846,
    "s": 85.714,
    "l": 64.314
  },
  "oklch": {
    "l": 0.85297,
    "c": 0.23056,
    "h": 141.6
  },
  "luminance": 0.67001
}

Semantic roles & 50–950 ramp

primary

#66F256

secondary

#AE2FBD

accent

#03E2CB

background

#FDFFFC

surface

#F7FFF4

border

#D0D7CE

text

#10170C

muted

#81857F

Preview Lab

Preview with #66F256

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

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