#66E645#66E645

#66E645 is a very light, highly saturated green. Relative luminance 0.598; OKLCH L 82.2% C 0.228 H 139.9°. Best body text is #000000 at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#66E645
RGB	rgb(102, 230, 69)
HSL	hsl(108, 76%, 59%)
HSV	hsv(108, 70%, 90%)
CMYK	cmyk(55.7%, 0%, 70%, 9.8%)
CIE-LAB	lab(81.75, -63.49, 64.46)
CIE-LCH	lch(81.75, 90.48, 134.56°)
OKLab	oklab(82.16% -0.1742 0.1465)
OKLCH	oklch(82.16% 0.228 139.9)
XYZ	xyz(34.8490, 59.8451, 15.3439)
Luminance	0.5985 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E645 #C545E6

analogous

#B6E645 #66E645 #45E674

triadic

#66E645 #4566E6 #E64566

tetradic

#66E645 #45B6E6 #C545E6 #E67445

square

#66E645 #45B6E6 #C545E6 #E67445

split-complementary

#66E645 #7445E6 #E645B6

monochromatic

#319C15 #41D21C #66E645 #92ED7B #BFF5B1

Accessibility & contrast

On white

1.62

#66E645 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.97

#66E645 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E645

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E645	#FFFFFF	#000000	##000000
##66E645	1.00	1.62	12.97	12.97
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.97	21.00	1.00	1.00
##000000	12.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD22B

Deuteranopia (green-blind)

#DCC755

Tritanopia (blue-blind)

#57DFC6

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66e645;
/* rgb */ color: rgb(102, 230, 69);
/* oklch */ color: oklch(82.2% 0.228 139.9);

Tailwind

colors: {
  custom: {
    50: '#9eef81',
    500: '#66e645',
    950: '#000000',
  },
}

SCSS

$custom: #66e645;
$custom-light: #9eef81;
$custom-dark: #000000;

JSON

{
  "hex": "#66e645",
  "rgb": {
    "r": 102,
    "g": 230,
    "b": 69
  },
  "hsl": {
    "h": 107.702,
    "s": 76.303,
    "l": 58.627
  },
  "oklch": {
    "l": 0.82163,
    "c": 0.22765,
    "h": 139.9
  },
  "luminance": 0.59848
}

Semantic roles & 50–950 ramp

primary

#66E645

secondary

#88309F

accent

#35F3CC

background

#FCFFFB

surface

#F6FEF2

border

#D0D6CC

text

#10170B

muted

#80857E

Preview Lab

Preview with #66E645

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

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