#66D73E#66D73E

#66D73E is a light, highly saturated green. Relative luminance 0.518; OKLCH L 78.3% C 0.214 H 138.9°. Best body text is #000000 at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#66D73E
RGB	rgb(102, 215, 62)
HSL	hsl(104, 66%, 54%)
HSV	hsv(104, 71%, 84%)
CMYK	cmyk(52.6%, 0%, 71.2%, 15.7%)
CIE-LAB	lab(77.14, -58.61, 62.28)
CIE-LCH	lch(77.14, 85.52, 133.26°)
OKLab	oklab(78.35% -0.1615 0.141)
OKLCH	oklch(78.35% 0.214 138.9)
XYZ	xyz(30.6483, 51.7711, 12.9343)
Luminance	0.5177 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D73E #AF3ED7

analogous

#B2D73E #66D73E #3ED763

triadic

#66D73E #3E66D7 #D73E66

tetradic

#66D73E #3EB2D7 #AF3ED7 #D7633E

square

#66D73E #3EB2D7 #AF3ED7 #D7633E

split-complementary

#66D73E #633ED7 #D73EB2

monochromatic

#35801B #4AB325 #66D73E #8EE271 #B6ECA3

Accessibility & contrast

On white

1.85

#66D73E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.35

#66D73E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D73E

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D73E	#FFFFFF	#000000	##000000
##66D73E	1.00	1.85	11.35	11.35
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.35	21.00	1.00	1.00
##000000	11.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC424

Deuteranopia (green-blind)

#CFBB4D

Tritanopia (blue-blind)

#5CD0B9

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66d73e;
/* rgb */ color: rgb(102, 215, 62);
/* oklch */ color: oklch(78.3% 0.214 138.9);

Tailwind

colors: {
  custom: {
    50: '#9ce47c',
    500: '#66d73e',
    950: '#000000',
  },
}

SCSS

$custom: #66d73e;
$custom-light: #9ce47c;
$custom-dark: #000000;

JSON

{
  "hex": "#66d73e",
  "rgb": {
    "r": 102,
    "g": 215,
    "b": 62
  },
  "hsl": {
    "h": 104.314,
    "s": 65.665,
    "l": 54.314
  },
  "oklch": {
    "l": 0.78348,
    "c": 0.2144,
    "h": 138.9
  },
  "luminance": 0.51773
}

Semantic roles & 50–950 ramp

primary

#66D73E

secondary

#713287

accent

#3FE9BC

background

#FCFEFB

surface

#F6FCF2

border

#D0D5CC

text

#0F160A

muted

#80847D

Preview Lab

Preview with #66D73E

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

Preview Lab → · Contrast checker → · Palette generator →