#66F368#66F368

#66F368 is a very light, highly saturated green. Relative luminance 0.679; OKLCH L 85.7% C 0.218 H 143.6°. Best body text is #000000 at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#66F368
RGB	rgb(102, 243, 104)
HSL	hsl(121, 85%, 68%)
HSV	hsv(121, 58%, 95%)
CMYK	cmyk(58%, 0%, 57.2%, 4.7%)
CIE-LAB	lab(85.97, -64.74, 54.83)
CIE-LCH	lch(85.97, 84.84, 139.73°)
OKLab	oklab(85.73% -0.1758 0.1296)
OKLCH	oklch(85.73% 0.218 143.6)
XYZ	xyz(40.0265, 67.9218, 24.0949)
Luminance	0.6793 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F368 #F366F1

analogous

#AAF366 #66F368 #66F3AE

triadic

#66F368 #6866F3 #F36866

tetradic

#66F368 #66AAF3 #F366F1 #F3AE66

square

#66F368 #66AAF3 #F366F1 #F3AE66

split-complementary

#66F368 #AE66F3 #F366AA

monochromatic

#10CE13 #2DEF30 #66F368 #9FF7A0 #D7FCD8

Accessibility & contrast

On white

1.44

#66F368 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.59

#66F368 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F368

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F368	#FFFFFF	#000000	##000000
##66F368	1.00	1.44	14.59	14.59
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.59	21.00	1.00	1.00
##000000	14.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DE5A

Deuteranopia (green-blind)

#E6D273

Tritanopia (blue-blind)

#4DEDD5

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f368;
/* rgb */ color: rgb(102, 243, 104);
/* oklch */ color: oklch(85.7% 0.218 143.6);

Tailwind

colors: {
  custom: {
    50: '#9ef897',
    500: '#66f368',
    950: '#000000',
  },
}

SCSS

$custom: #66f368;
$custom-light: #9ef897;
$custom-dark: #000000;

JSON

{
  "hex": "#66f368",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 104
  },
  "hsl": {
    "h": 120.851,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.85734,
    "c": 0.21842,
    "h": 143.6
  },
  "luminance": 0.67925
}

Semantic roles & 50–950 ramp

primary

#66F368

secondary

#CA33C8

accent

#04DFE2

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10170E

muted

#81857F

Preview Lab

Preview with #66F368

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

Preview Lab → · Contrast checker → · Palette generator →