#66F280#66F280

#66F280 is a very light, vivid green. Relative luminance 0.679; OKLCH L 85.8% C 0.197 H 147.3°. Best body text is #000000 at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#66F280
RGB	rgb(102, 242, 128)
HSL	hsl(131, 84%, 67%)
HSV	hsv(131, 58%, 95%)
CMYK	cmyk(57.9%, 0%, 47.1%, 5.1%)
CIE-LAB	lab(85.95, -61.26, 43.70)
CIE-LCH	lch(85.95, 75.25, 144.49°)
OKLab	oklab(85.81% -0.1657 0.1064)
OKLCH	oklch(85.81% 0.197 147.3)
XYZ	xyz(41.1252, 67.8837, 31.3535)
Luminance	0.6789 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F280 #F266D8

analogous

#92F266 #66F280 #66F2C6

triadic

#66F280 #8066F2 #F28066

tetradic

#66F280 #6692F2 #F266D8 #F2C666

square

#66F280 #6692F2 #F266D8 #F2C666

split-complementary

#66F280 #C666F2 #F26692

monochromatic

#11CC34 #2EED51 #66F280 #9EF7AF #D7FCDE

Accessibility & contrast

On white

1.44

#66F280 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.58

#66F280 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F280

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F280	#FFFFFF	#000000	##000000
##66F280	1.00	1.44	14.58	14.58
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.58	21.00	1.00	1.00
##000000	14.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DF77

Deuteranopia (green-blind)

#E2D288

Tritanopia (blue-blind)

#45EDD7

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f280;
/* rgb */ color: rgb(102, 242, 128);
/* oklch */ color: oklch(85.8% 0.197 147.3);

Tailwind

colors: {
  custom: {
    50: '#9df7a6',
    500: '#66f280',
    950: '#000000',
  },
}

SCSS

$custom: #66f280;
$custom-light: #9df7a6;
$custom-dark: #000000;

JSON

{
  "hex": "#66f280",
  "rgb": {
    "r": 102,
    "g": 242,
    "b": 128
  },
  "hsl": {
    "h": 131.143,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.85809,
    "c": 0.19693,
    "h": 147.3
  },
  "luminance": 0.67888
}

Semantic roles & 50–950 ramp

primary

#66F280

secondary

#C934AD

accent

#05B8E1

background

#FCFFFC

surface

#F6FFF6

border

#D0D7D0

text

#0F170F

muted

#808580

Preview Lab

Preview with #66F280

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

Preview Lab → · Contrast checker → · Palette generator →