#66EF5A#66EF5A

#66EF5A is a very light, highly saturated green. Relative luminance 0.653; OKLCH L 84.6% C 0.224 H 142.0°. Best body text is #000000 at 14.06:1 contrast (WCAG AA passes).

Color values

HEX	#66EF5A
RGB	rgb(102, 239, 90)
HSL	hsl(115, 82%, 65%)
HSV	hsv(115, 62%, 94%)
CMYK	cmyk(57.3%, 0%, 62.3%, 6.3%)
CIE-LAB	lab(84.63, -64.81, 59.33)
CIE-LCH	lch(84.63, 87.87, 137.53°)
OKLab	oklab(84.59% -0.1767 0.138)
OKLCH	oklch(84.59% 0.224 142)
XYZ	xyz(38.1895, 65.2926, 20.2611)
Luminance	0.6530 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EF5A #E35AEF

analogous

#B0EF5A #66EF5A #5AEF99

triadic

#66EF5A #5A66EF #EF5A66

tetradic

#66EF5A #5AB0EF #E35AEF #EF995A

square

#66EF5A #5AB0EF #E35AEF #EF995A

split-complementary

#66EF5A #995AEF #EF5AB0

monochromatic

#20BC12 #32EA22 #66EF5A #9AF492 #CDFACA

Accessibility & contrast

On white

1.49

#66EF5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.06

#66EF5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EF5A

14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EF5A	#FFFFFF	#000000	##000000
##66EF5A	1.00	1.49	14.06	14.06
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.06	21.00	1.00	1.00
##000000	14.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DA48

Deuteranopia (green-blind)

#E3CF67

Tritanopia (blue-blind)

#51E8D0

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #66ef5a;
/* rgb */ color: rgb(102, 239, 90);
/* oklch */ color: oklch(84.6% 0.224 142.0);

Tailwind

colors: {
  custom: {
    50: '#9ef58e',
    500: '#66ef5a',
    950: '#000000',
  },
}

SCSS

$custom: #66ef5a;
$custom-light: #9ef58e;
$custom-dark: #000000;

JSON

{
  "hex": "#66ef5a",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 90
  },
  "hsl": {
    "h": 115.168,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.84592,
    "c": 0.22419,
    "h": 142
  },
  "luminance": 0.65296
}

Semantic roles & 50–950 ramp

primary

#66EF5A

secondary

#B032BB

accent

#07DFCD

background

#FDFFFC

surface

#F7FFF4

border

#D0D7CE

text

#10170D

muted

#81857F

Preview Lab

Preview with #66EF5A

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

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