#66F366#66F366

#66F366 is a very light, highly saturated green. Relative luminance 0.679; OKLCH L 85.7% C 0.220 H 143.4°. Best body text is #000000 at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#66F366
RGB	rgb(102, 243, 102)
HSL	hsl(120, 85%, 68%)
HSV	hsv(120, 58%, 95%)
CMYK	cmyk(58%, 0%, 58%, 4.7%)
CIE-LAB	lab(85.95, -64.96, 55.69)
CIE-LCH	lch(85.95, 85.57, 139.40°)
OKLab	oklab(85.71% -0.1765 0.1313)
OKLCH	oklch(85.71% 0.22 143.4)
XYZ	xyz(39.9261, 67.8816, 23.5662)
Luminance	0.6788 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F366 #F366F3

analogous

#ACF366 #66F366 #66F3AC

triadic

#66F366 #6666F3 #F36666

tetradic

#66F366 #66ACF3 #F366F3 #F3AC66

square

#66F366 #66ACF3 #F366F3 #F3AC66

split-complementary

#66F366 #AC66F3 #F366AC

monochromatic

#10CE10 #2DEF2D #66F366 #9FF79F #D7FCD7

Accessibility & contrast

On white

1.44

#66F366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.58

#66F366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F366

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F366	#FFFFFF	#000000	##000000
##66F366	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)

#F8DE57

Deuteranopia (green-blind)

#E6D271

Tritanopia (blue-blind)

#4DEDD4

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f366;
/* rgb */ color: rgb(102, 243, 102);
/* oklch */ color: oklch(85.7% 0.220 143.4);

Tailwind

colors: {
  custom: {
    50: '#9ef896',
    500: '#66f366',
    950: '#000000',
  },
}

SCSS

$custom: #66f366;
$custom-light: #9ef896;
$custom-dark: #000000;

JSON

{
  "hex": "#66f366",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 102
  },
  "hsl": {
    "h": 120,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.85711,
    "c": 0.21998,
    "h": 143.4
  },
  "luminance": 0.67885
}

Semantic roles & 50–950 ramp

primary

#66F366

secondary

#CA33CA

accent

#04E2E2

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10170E

muted

#81857F

Preview Lab

Preview with #66F366

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

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