#66D13F#66D13F

#66D13F is a light, highly saturated green. Relative luminance 0.488; OKLCH L 76.8% C 0.207 H 138.7°. Best body text is #000000 at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#66D13F
RGB	rgb(102, 209, 63)
HSL	hsl(104, 61%, 53%)
HSV	hsv(104, 70%, 82%)
CMYK	cmyk(51.2%, 0%, 69.9%, 18%)
CIE-LAB	lab(75.32, -56.32, 60.03)
CIE-LCH	lch(75.32, 82.31, 133.17°)
OKLab	oklab(76.85% -0.1552 0.1364)
OKLCH	oklch(76.85% 0.207 138.7)
XYZ	xyz(29.1761, 48.7824, 12.5802)
Luminance	0.4879 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D13F #AA3FD1

analogous

#AFD13F #66D13F #3FD161

triadic

#66D13F #3F66D1 #D13F66

tetradic

#66D13F #3FAFD1 #AA3FD1 #D1613F

square

#66D13F #3FAFD1 #AA3FD1 #D1613F

split-complementary

#66D13F #613FD1 #D13FAF

monochromatic

#35791D #4BAA29 #66D13F #8DDD70 #B5E9A2

Accessibility & contrast

On white

1.95

#66D13F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.76

#66D13F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D13F

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D13F	#FFFFFF	#000000	##000000
##66D13F	1.00	1.95	10.76	10.76
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.76	21.00	1.00	1.00
##000000	10.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF28

Deuteranopia (green-blind)

#C9B64D

Tritanopia (blue-blind)

#5DCAB4

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #66d13f;
/* rgb */ color: rgb(102, 209, 63);
/* oklch */ color: oklch(76.8% 0.207 138.7);

Tailwind

colors: {
  custom: {
    50: '#9be07c',
    500: '#66d13f',
    950: '#000000',
  },
}

SCSS

$custom: #66d13f;
$custom-light: #9be07c;
$custom-dark: #000000;

JSON

{
  "hex": "#66d13f",
  "rgb": {
    "r": 102,
    "g": 209,
    "b": 63
  },
  "hsl": {
    "h": 103.973,
    "s": 61.345,
    "l": 53.333
  },
  "oklch": {
    "l": 0.76845,
    "c": 0.20668,
    "h": 138.7
  },
  "luminance": 0.48785
}

Semantic roles & 50–950 ramp

primary

#66D13F

secondary

#C597D5

accent

#43E4B9

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66D13F

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

Preview Lab → · Contrast checker → · Palette generator →