#66DE4F#66DE4F

#66DE4F is a light, highly saturated green. Relative luminance 0.556; OKLCH L 80.2% C 0.212 H 140.6°. Best body text is #000000 at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#66DE4F
RGB	rgb(102, 222, 79)
HSL	hsl(110, 68%, 59%)
HSV	hsv(110, 64%, 87%)
CMYK	cmyk(54.1%, 0%, 64.4%, 12.9%)
CIE-LAB	lab(79.40, -59.76, 58.09)
CIE-LCH	lch(79.40, 83.34, 135.81°)
OKLab	oklab(80.25% -0.1636 0.1343)
OKLCH	oklch(80.25% 0.212 140.6)
XYZ	xyz(33.0106, 55.6291, 16.3936)
Luminance	0.5563 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DE4F #C74FDE

analogous

#ADDE4F #66DE4F #4FDE80

triadic

#66DE4F #4F66DE #DE4F66

tetradic

#66DE4F #4FADDE #C74FDE #DE804F

square

#66DE4F #4FADDE #C74FDE #DE804F

split-complementary

#66DE4F #804FDE #DE4FAD

monochromatic

#30961C #40CA26 #66DE4F #93E883 #C0F1B6

Accessibility & contrast

On white

1.73

#66DE4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.13

#66DE4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DE4F

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DE4F	#FFFFFF	#000000	##000000
##66DE4F	1.00	1.73	12.13	12.13
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.13	21.00	1.00	1.00
##000000	12.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CB3D

Deuteranopia (green-blind)

#D4C15B

Tritanopia (blue-blind)

#58D7C0

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66de4f;
/* rgb */ color: rgb(102, 222, 79);
/* oklch */ color: oklch(80.2% 0.212 140.6);

Tailwind

colors: {
  custom: {
    50: '#9ce986',
    500: '#66de4f',
    950: '#000000',
  },
}

SCSS

$custom: #66de4f;
$custom-light: #9ce986;
$custom-dark: #000000;

JSON

{
  "hex": "#66de4f",
  "rgb": {
    "r": 102,
    "g": 222,
    "b": 79
  },
  "hsl": {
    "h": 110.35,
    "s": 68.421,
    "l": 59.02
  },
  "oklch": {
    "l": 0.80249,
    "c": 0.21162,
    "h": 140.6
  },
  "luminance": 0.55632
}

Semantic roles & 50–950 ramp

primary

#66DE4F

secondary

#8B379B

accent

#3DEBCF

background

#FCFEFC

surface

#F6FDF3

border

#D0D5CD

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66DE4F

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

Preview Lab → · Contrast checker → · Palette generator →