#66F18E#66F18E

#66F18E is a very light, vivid green. Relative luminance 0.677; OKLCH L 85.8% C 0.183 H 150.2°. Best body text is #000000 at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#66F18E
RGB	rgb(102, 241, 142)
HSL	hsl(137, 83%, 67%)
HSV	hsv(137, 58%, 95%)
CMYK	cmyk(57.7%, 0%, 41.1%, 5.5%)
CIE-LAB	lab(85.85, -58.73, 36.73)
CIE-LCH	lch(85.85, 69.27, 147.97°)
OKLab	oklab(85.79% -0.1589 0.0909)
OKLCH	oklch(85.79% 0.183 150.2)
XYZ	xyz(41.8142, 67.6845, 36.4468)
Luminance	0.6769 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F18E #F166C9

analogous

#84F166 #66F18E #66F1D3

triadic

#66F18E #8E66F1 #F18E66

tetradic

#66F18E #6684F1 #F166C9 #F1D366

square

#66F18E #6684F1 #F166C9 #F1D366

split-complementary

#66F18E #D366F1 #F16684

monochromatic

#12CA47 #2EEC65 #66F18E #9EF6B7 #D6FBE1

Accessibility & contrast

On white

1.44

#66F18E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.54

#66F18E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F18E

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F18E	#FFFFFF	#000000	##000000
##66F18E	1.00	1.44	14.54	14.54
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.54	21.00	1.00	1.00
##000000	14.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2DE87

Deuteranopia (green-blind)

#E0D294

Tritanopia (blue-blind)

#40EDD9

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f18e;
/* rgb */ color: rgb(102, 241, 142);
/* oklch */ color: oklch(85.8% 0.183 150.2);

Tailwind

colors: {
  custom: {
    50: '#9df7b0',
    500: '#66f18e',
    950: '#000000',
  },
}

SCSS

$custom: #66f18e;
$custom-light: #9df7b0;
$custom-dark: #000000;

JSON

{
  "hex": "#66f18e",
  "rgb": {
    "r": 102,
    "g": 241,
    "b": 142
  },
  "hsl": {
    "h": 137.266,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.85791,
    "c": 0.18304,
    "h": 150.2
  },
  "luminance": 0.67688
}

Semantic roles & 50–950 ramp

primary

#66F18E

secondary

#C7349D

accent

#06A1E0

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66F18E

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

Preview Lab → · Contrast checker → · Palette generator →