#66AA4E#66AA4E

#66AA4E is a light, vivid green. Relative luminance 0.321; OKLCH L 67.2% C 0.144 H 138.2°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#66AA4E
RGB	rgb(102, 170, 78)
HSL	hsl(104, 37%, 49%)
HSV	hsv(104, 54%, 67%)
CMYK	cmyk(40%, 0%, 54.1%, 33.3%)
CIE-LAB	lab(63.44, -39.07, 40.32)
CIE-LCH	lch(63.44, 56.15, 134.09°)
OKLab	oklab(67.16% -0.1073 0.096)
OKLCH	oklch(67.16% 0.144 138.2)
XYZ	xyz(21.2287, 32.1231, 12.2881)
Luminance	0.3212 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AA4E #924EAA

analogous

#94AA4E #66AA4E #4EAA64

triadic

#66AA4E #4E66AA #AA4E66

tetradic

#66AA4E #4E94AA #924EAA #AA644E

square

#66AA4E #4E94AA #924EAA #AA644E

split-complementary

#66AA4E #644EAA #AA4E94

monochromatic

#345628 #4D803B #66AA4E #89C075 #ADD39F

Accessibility & contrast

On white

2.83

#66AA4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#66AA4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AA4E

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AA4E	#FFFFFF	#000000	##000000
##66AA4E	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9D45

Deuteranopia (green-blind)

#A59754

Tritanopia (blue-blind)

#62A595

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #66aa4e;
/* rgb */ color: rgb(102, 170, 78);
/* oklch */ color: oklch(67.2% 0.144 138.2);

Tailwind

colors: {
  custom: {
    50: '#96c482',
    500: '#66aa4e',
    950: '#000000',
  },
}

SCSS

$custom: #66aa4e;
$custom-light: #96c482;
$custom-dark: #000000;

JSON

{
  "hex": "#66aa4e",
  "rgb": {
    "r": 102,
    "g": 170,
    "b": 78
  },
  "hsl": {
    "h": 104.348,
    "s": 37.097,
    "l": 48.627
  },
  "oklch": {
    "l": 0.67156,
    "c": 0.14402,
    "h": 138.2
  },
  "luminance": 0.32124
}

Semantic roles & 50–950 ramp

primary

#66AA4E

secondary

#B494C0

accent

#5BCDAF

background

#F9FCF8

surface

#F2F8EF

border

#CCD1CA

text

#0E120B

muted

#7E817C

Preview Lab

Preview with #66AA4E

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

Preview Lab → · Contrast checker → · Palette generator →