#66D03E#66D03E

#66D03E is a light, highly saturated green. Relative luminance 0.483; OKLCH L 76.6% C 0.206 H 138.6°. Best body text is #000000 at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#66D03E
RGB	rgb(102, 208, 62)
HSL	hsl(104, 61%, 53%)
HSV	hsv(104, 70%, 82%)
CMYK	cmyk(51%, 0%, 70.2%, 18.4%)
CIE-LAB	lab(75.00, -56.02, 60.08)
CIE-LCH	lch(75.00, 82.14, 133.00°)
OKLab	oklab(76.59% -0.1545 0.1364)
OKLCH	oklch(76.59% 0.206 138.6)
XYZ	xyz(28.9038, 48.2822, 12.3528)
Luminance	0.4828 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D03E #A83ED0

analogous

#AFD03E #66D03E #3ED05F

triadic

#66D03E #3E66D0 #D03E66

tetradic

#66D03E #3EAFD0 #A83ED0 #D05F3E

square

#66D03E #3EAFD0 #A83ED0 #D05F3E

split-complementary

#66D03E #5F3ED0 #D03EAF

monochromatic

#36771D #4CA829 #66D03E #8DDC6F #B4E8A0

Accessibility & contrast

On white

1.97

#66D03E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.66

#66D03E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D03E

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D03E	#FFFFFF	#000000	##000000
##66D03E	1.00	1.97	10.66	10.66
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.66	21.00	1.00	1.00
##000000	10.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE26

Deuteranopia (green-blind)

#C8B54C

Tritanopia (blue-blind)

#5DC9B3

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #66d03e;
/* rgb */ color: rgb(102, 208, 62);
/* oklch */ color: oklch(76.6% 0.206 138.6);

Tailwind

colors: {
  custom: {
    50: '#9bdf7b',
    500: '#66d03e',
    950: '#000000',
  },
}

SCSS

$custom: #66d03e;
$custom-light: #9bdf7b;
$custom-dark: #000000;

JSON

{
  "hex": "#66d03e",
  "rgb": {
    "r": 102,
    "g": 208,
    "b": 62
  },
  "hsl": {
    "h": 103.562,
    "s": 60.833,
    "l": 52.941
  },
  "oklch": {
    "l": 0.76585,
    "c": 0.2061,
    "h": 138.6
  },
  "luminance": 0.48284
}

Semantic roles & 50–950 ramp

primary

#66D03E

secondary

#C395D4

accent

#44E4B8

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66D03E

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

Preview Lab → · Contrast checker → · Palette generator →