#66CF45#66CF45

#66CF45 is a light, highly saturated green. Relative luminance 0.479; OKLCH L 76.4% C 0.200 H 139.1°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#66CF45
RGB	rgb(102, 207, 69)
HSL	hsl(106, 59%, 54%)
HSV	hsv(106, 67%, 81%)
CMYK	cmyk(50.7%, 0%, 66.7%, 18.8%)
CIE-LAB	lab(74.75, -55.07, 57.11)
CIE-LCH	lch(74.75, 79.33, 133.96°)
OKLab	oklab(76.39% -0.1515 0.1311)
OKLCH	oklch(76.39% 0.2 139.1)
XYZ	xyz(28.8654, 47.8779, 13.3494)
Luminance	0.4788 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CF45 #AE45CF

analogous

#ABCF45 #66CF45 #45CF69

triadic

#66CF45 #4566CF #CF4566

tetradic

#66CF45 #45ABCF #AE45CF #CF6945

square

#66CF45 #45ABCF #AE45CF #CF6945

split-complementary

#66CF45 #6945CF #CF45AB

monochromatic

#357A20 #4AAB2C #66CF45 #8EDC76 #B6E8A6

Accessibility & contrast

On white

1.99

#66CF45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.58

#66CF45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CF45

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CF45	#FFFFFF	#000000	##000000
##66CF45	1.00	1.99	10.58	10.58
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.58	21.00	1.00	1.00
##000000	10.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD32

Deuteranopia (green-blind)

#C7B551

Tritanopia (blue-blind)

#5DC8B3

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #66cf45;
/* rgb */ color: rgb(102, 207, 69);
/* oklch */ color: oklch(76.4% 0.200 139.1);

Tailwind

colors: {
  custom: {
    50: '#9ade7f',
    500: '#66cf45',
    950: '#000000',
  },
}

SCSS

$custom: #66cf45;
$custom-light: #9ade7f;
$custom-dark: #000000;

JSON

{
  "hex": "#66cf45",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 69
  },
  "hsl": {
    "h": 105.652,
    "s": 58.974,
    "l": 54.118
  },
  "oklch": {
    "l": 0.76392,
    "c": 0.2003,
    "h": 139.1
  },
  "luminance": 0.4788
}

Semantic roles & 50–950 ramp

primary

#66CF45

secondary

#C79BD5

accent

#46E2BD

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CF45

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

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