#66DE4D#66DE4D

#66DE4D is a light, highly saturated green. Relative luminance 0.556; OKLCH L 80.2% C 0.213 H 140.4°. Best body text is #000000 at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#66DE4D
RGB	rgb(102, 222, 77)
HSL	hsl(110, 69%, 59%)
HSV	hsv(110, 65%, 87%)
CMYK	cmyk(54.1%, 0%, 65.3%, 12.9%)
CIE-LAB	lab(79.39, -59.94, 58.88)
CIE-LCH	lch(79.39, 84.03, 135.51°)
OKLab	oklab(80.23% -0.1642 0.1357)
OKLCH	oklch(80.23% 0.213 140.4)
XYZ	xyz(32.9389, 55.6004, 16.0159)
Luminance	0.5560 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DE4D #C54DDE

analogous

#AEDE4D #66DE4D #4DDE7C

triadic

#66DE4D #4D66DE #DE4D66

tetradic

#66DE4D #4DAEDE #C54DDE #DE7C4D

square

#66DE4D #4DAEDE #C54DDE #DE7C4D

split-complementary

#66DE4D #7C4DDE #DE4DAE

monochromatic

#31951C #41C925 #66DE4D #92E881 #BFF1B4

Accessibility & contrast

On white

1.73

#66DE4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.12

#66DE4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DE4D

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DE4D	#FFFFFF	#000000	##000000
##66DE4D	1.00	1.73	12.12	12.12
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.12	21.00	1.00	1.00
##000000	12.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CB3A

Deuteranopia (green-blind)

#D4C15A

Tritanopia (blue-blind)

#58D7C0

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66de4d;
/* rgb */ color: rgb(102, 222, 77);
/* oklch */ color: oklch(80.2% 0.213 140.4);

Tailwind

colors: {
  custom: {
    50: '#9ce985',
    500: '#66de4d',
    950: '#000000',
  },
}

SCSS

$custom: #66de4d;
$custom-light: #9ce985;
$custom-dark: #000000;

JSON

{
  "hex": "#66de4d",
  "rgb": {
    "r": 102,
    "g": 222,
    "b": 77
  },
  "hsl": {
    "h": 109.655,
    "s": 68.72,
    "l": 58.627
  },
  "oklch": {
    "l": 0.8023,
    "c": 0.21302,
    "h": 140.4
  },
  "luminance": 0.55603
}

Semantic roles & 50–950 ramp

primary

#66DE4D

secondary

#883699

accent

#3CECCD

background

#FCFEFB

surface

#F6FDF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66DE4D

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

Preview Lab → · Contrast checker → · Palette generator →