#66AF4E#66AF4E

#66AF4E is a light, vivid green. Relative luminance 0.340; OKLCH L 68.4% C 0.151 H 138.6°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#66AF4E
RGB	rgb(102, 175, 78)
HSL	hsl(105, 38%, 50%)
HSV	hsv(105, 55%, 69%)
CMYK	cmyk(41.7%, 0%, 55.4%, 31.4%)
CIE-LAB	lab(64.99, -41.24, 42.16)
CIE-LCH	lch(64.99, 58.98, 134.37°)
OKLab	oklab(68.42% -0.1133 0.1)
OKLCH	oklch(68.42% 0.151 138.6)
XYZ	xyz(22.1839, 34.0335, 12.6065)
Luminance	0.3403 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AF4E #974EAF

analogous

#96AF4E #66AF4E #4EAF67

triadic

#66AF4E #4E66AF #AF4E66

tetradic

#66AF4E #4E96AF #974EAF #AF674E

square

#66AF4E #4E96AF #974EAF #AF674E

split-complementary

#66AF4E #674EAF #AF4E96

monochromatic

#355A28 #4D853B #66AF4E #8AC378 #AFD6A2

Accessibility & contrast

On white

2.69

#66AF4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#66AF4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AF4E

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AF4E	#FFFFFF	#000000	##000000
##66AF4E	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A245

Deuteranopia (green-blind)

#AA9B55

Tritanopia (blue-blind)

#61AA99

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #66af4e;
/* rgb */ color: rgb(102, 175, 78);
/* oklch */ color: oklch(68.4% 0.151 138.6);

Tailwind

colors: {
  custom: {
    50: '#96c782',
    500: '#66af4e',
    950: '#000000',
  },
}

SCSS

$custom: #66af4e;
$custom-light: #96c782;
$custom-dark: #000000;

JSON

{
  "hex": "#66af4e",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 78
  },
  "hsl": {
    "h": 105.155,
    "s": 38.34,
    "l": 49.608
  },
  "oklch": {
    "l": 0.68417,
    "c": 0.15113,
    "h": 138.6
  },
  "luminance": 0.34035
}

Semantic roles & 50–950 ramp

primary

#66AF4E

secondary

#B896C3

accent

#5ACEB1

background

#F9FCF8

surface

#F2F8EF

border

#CCD1CA

text

#0E130B

muted

#7E827C

Preview Lab

Preview with #66AF4E

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

Preview Lab → · Contrast checker → · Palette generator →