#66F55E#66F55E

#66F55E is a very light, highly saturated green. Relative luminance 0.689; OKLCH L 86.1% C 0.228 H 142.5°. Best body text is #000000 at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#66F55E
RGB	rgb(102, 245, 94)
HSL	hsl(117, 88%, 66%)
HSV	hsv(117, 62%, 96%)
CMYK	cmyk(58.4%, 0%, 61.6%, 3.9%)
CIE-LAB	lab(86.47, -66.52, 59.71)
CIE-LCH	lch(86.47, 89.39, 138.09°)
OKLab	oklab(86.12% -0.1811 0.1392)
OKLCH	oklch(86.12% 0.228 142.5)
XYZ	xyz(40.1501, 68.9341, 21.7773)
Luminance	0.6894 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F55E #ED5EF5

analogous

#B2F55E #66F55E #5EF5A2

triadic

#66F55E #5E66F5 #F55E66

tetradic

#66F55E #5EB2F5 #ED5EF5 #F5A25E

square

#66F55E #5EB2F5 #ED5EF5 #F5A25E

split-complementary

#66F55E #A25EF5 #F55EB2

monochromatic

#17CC0D #2FF124 #66F55E #9DF998 #D4FCD1

Accessibility & contrast

On white

1.42

#66F55E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.79

#66F55E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F55E

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F55E	#FFFFFF	#000000	##000000
##66F55E	1.00	1.42	14.79	14.79
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.79	21.00	1.00	1.00
##000000	14.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE04D

Deuteranopia (green-blind)

#E8D46B

Tritanopia (blue-blind)

#4EEED5

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66f55e;
/* rgb */ color: rgb(102, 245, 94);
/* oklch */ color: oklch(86.1% 0.228 142.5);

Tailwind

colors: {
  custom: {
    50: '#9ff991',
    500: '#66f55e',
    950: '#000000',
  },
}

SCSS

$custom: #66f55e;
$custom-light: #9ff991;
$custom-dark: #000000;

JSON

{
  "hex": "#66f55e",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 94
  },
  "hsl": {
    "h": 116.821,
    "s": 88.304,
    "l": 66.471
  },
  "oklch": {
    "l": 0.86119,
    "c": 0.22843,
    "h": 142.5
  },
  "luminance": 0.68938
}

Semantic roles & 50–950 ramp

primary

#66F55E

secondary

#C02FC8

accent

#01E5D9

background

#FDFFFC

surface

#F7FFF4

border

#D0D7CE

text

#10170D

muted

#81857F

Preview Lab

Preview with #66F55E

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

Preview Lab → · Contrast checker → · Palette generator →