#66CC44#66CC44

#66CC44 is a light, vivid green. Relative luminance 0.464; OKLCH L 75.6% C 0.197 H 138.9°. Best body text is #000000 at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#66CC44
RGB	rgb(102, 204, 68)
HSL	hsl(105, 57%, 53%)
HSV	hsv(105, 67%, 80%)
CMYK	cmyk(50%, 0%, 66.7%, 20%)
CIE-LAB	lab(73.82, -54.01, 56.51)
CIE-LCH	lch(73.82, 78.17, 133.70°)
OKLab	oklab(75.63% -0.1487 0.1297)
OKLCH	oklch(75.63% 0.197 138.9)
XYZ	xyz(28.1147, 46.4258, 12.9473)
Luminance	0.4643 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CC44 #AA44CC

analogous

#AACC44 #66CC44 #44CC66

triadic

#66CC44 #4466CC #CC4466

tetradic

#66CC44 #44AACC #AA44CC #CC6644

square

#66CC44 #44AACC #AA44CC #CC6644

split-complementary

#66CC44 #6644CC #CC44AA

monochromatic

#357620 #4BA62D #66CC44 #8DD974 #B5E6A4

Accessibility & contrast

On white

2.04

#66CC44 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.29

#66CC44 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CC44

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CC44	#FFFFFF	#000000	##000000
##66CC44	1.00	2.04	10.29	10.29
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.29	21.00	1.00	1.00
##000000	10.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BB31

Deuteranopia (green-blind)

#C5B250

Tritanopia (blue-blind)

#5DC5B0

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #66cc44;
/* rgb */ color: rgb(102, 204, 68);
/* oklch */ color: oklch(75.6% 0.197 138.9);

Tailwind

colors: {
  custom: {
    50: '#9adc7e',
    500: '#66cc44',
    950: '#000000',
  },
}

SCSS

$custom: #66cc44;
$custom-light: #9adc7e;
$custom-dark: #000000;

JSON

{
  "hex": "#66cc44",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 68
  },
  "hsl": {
    "h": 105,
    "s": 57.143,
    "l": 53.333
  },
  "oklch": {
    "l": 0.75627,
    "c": 0.19729,
    "h": 138.9
  },
  "luminance": 0.46428
}

Semantic roles & 50–950 ramp

primary

#66CC44

secondary

#C599D3

accent

#47E0BA

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CC44

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

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