#66CE3E#66CE3E

#66CE3E is a light, highly saturated green. Relative luminance 0.473; OKLCH L 76.1% C 0.204 H 138.5°. Best body text is #000000 at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#66CE3E
RGB	rgb(102, 206, 62)
HSL	hsl(103, 60%, 53%)
HSV	hsv(103, 70%, 81%)
CMYK	cmyk(50.5%, 0%, 69.9%, 19.2%)
CIE-LAB	lab(74.39, -55.27, 59.45)
CIE-LCH	lch(74.39, 81.17, 132.91°)
OKLab	oklab(76.08% -0.1524 0.1351)
OKLCH	oklch(76.08% 0.204 138.5)
XYZ	xyz(28.4193, 47.3131, 12.1913)
Luminance	0.4732 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CE3E #A63ECE

analogous

#AECE3E #66CE3E #3ECE5E

triadic

#66CE3E #3E66CE #CE3E66

tetradic

#66CE3E #3EAECE #A63ECE #CE5E3E

square

#66CE3E #3EAECE #A63ECE #CE5E3E

split-complementary

#66CE3E #5E3ECE #CE3EAE

monochromatic

#36741D #4CA52A #66CE3E #8DDA6F #B3E7A0

Accessibility & contrast

On white

2.01

#66CE3E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.46

#66CE3E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CE3E

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CE3E	#FFFFFF	#000000	##000000
##66CE3E	1.00	2.01	10.46	10.46
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.46	21.00	1.00	1.00
##000000	10.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC27

Deuteranopia (green-blind)

#C7B44C

Tritanopia (blue-blind)

#5EC7B1

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #66ce3e;
/* rgb */ color: rgb(102, 206, 62);
/* oklch */ color: oklch(76.1% 0.204 138.5);

Tailwind

colors: {
  custom: {
    50: '#9bde7b',
    500: '#66ce3e',
    950: '#000000',
  },
}

SCSS

$custom: #66ce3e;
$custom-light: #9bde7b;
$custom-dark: #000000;

JSON

{
  "hex": "#66ce3e",
  "rgb": {
    "r": 102,
    "g": 206,
    "b": 62
  },
  "hsl": {
    "h": 103.333,
    "s": 59.504,
    "l": 52.549
  },
  "oklch": {
    "l": 0.7608,
    "c": 0.2037,
    "h": 138.5
  },
  "luminance": 0.47315
}

Semantic roles & 50–950 ramp

primary

#66CE3E

secondary

#C295D3

accent

#45E3B7

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CE3E

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

Preview Lab → · Contrast checker → · Palette generator →