#66DD4F#66DD4F

#66DD4F is a light, highly saturated green. Relative luminance 0.551; OKLCH L 80.0% C 0.210 H 140.6°. Best body text is #000000 at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#66DD4F
RGB	rgb(102, 221, 79)
HSL	hsl(110, 68%, 59%)
HSV	hsv(110, 64%, 87%)
CMYK	cmyk(53.8%, 0%, 64.3%, 13.3%)
CIE-LAB	lab(79.10, -59.39, 57.76)
CIE-LCH	lch(79.10, 82.84, 135.80°)
OKLab	oklab(80% -0.1626 0.1336)
OKLCH	oklch(80% 0.21 140.6)
XYZ	xyz(32.7458, 55.0995, 16.3053)
Luminance	0.5510 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DD4F #C64FDD

analogous

#ADDD4F #66DD4F #4FDD7F

triadic

#66DD4F #4F66DD #DD4F66

tetradic

#66DD4F #4FADDD #C64FDD #DD7F4F

square

#66DD4F #4FADDD #C64FDD #DD7F4F

split-complementary

#66DD4F #7F4FDD #DD4FAD

monochromatic

#30951D #41C827 #66DD4F #93E782 #BFF1B6

Accessibility & contrast

On white

1.75

#66DD4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.02

#66DD4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DD4F

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DD4F	#FFFFFF	#000000	##000000
##66DD4F	1.00	1.75	12.02	12.02
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.02	21.00	1.00	1.00
##000000	12.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CA3D

Deuteranopia (green-blind)

#D3C05B

Tritanopia (blue-blind)

#58D6C0

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #66dd4f;
/* rgb */ color: rgb(102, 221, 79);
/* oklch */ color: oklch(80.0% 0.210 140.6);

Tailwind

colors: {
  custom: {
    50: '#9ce886',
    500: '#66dd4f',
    950: '#000000',
  },
}

SCSS

$custom: #66dd4f;
$custom-light: #9ce886;
$custom-dark: #000000;

JSON

{
  "hex": "#66dd4f",
  "rgb": {
    "r": 102,
    "g": 221,
    "b": 79
  },
  "hsl": {
    "h": 110.282,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79999,
    "c": 0.2104,
    "h": 140.6
  },
  "luminance": 0.55102
}

Semantic roles & 50–950 ramp

primary

#66DD4F

secondary

#893799

accent

#3DEACE

background

#FCFEFC

surface

#F6FDF3

border

#D0D5CD

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66DD4F

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

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