#66EF5E#66EF5E

#66EF5E is a very light, highly saturated green. Relative luminance 0.654; OKLCH L 84.6% C 0.221 H 142.4°. Best body text is #000000 at 14.07:1 contrast (WCAG AA passes).

Color values

HEX	#66EF5E
RGB	rgb(102, 239, 94)
HSL	hsl(117, 82%, 65%)
HSV	hsv(117, 61%, 94%)
CMYK	cmyk(57.3%, 0%, 60.7%, 6.3%)
CIE-LAB	lab(84.67, -64.41, 57.68)
CIE-LCH	lch(84.67, 86.46, 138.15°)
OKLab	oklab(84.63% -0.1754 0.1349)
OKLCH	oklch(84.63% 0.221 142.4)
XYZ	xyz(38.3644, 65.3625, 21.1820)
Luminance	0.6537 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EF5E #E75EEF

analogous

#AEEF5E #66EF5E #5EEF9F

triadic

#66EF5E #5E66EF #EF5E66

tetradic

#66EF5E #5EAEEF #E75EEF #EF9F5E

square

#66EF5E #5EAEEF #E75EEF #EF9F5E

split-complementary

#66EF5E #9F5EEF #EF5EAE

monochromatic

#1DC013 #31E926 #66EF5E #9BF596 #D0FACD

Accessibility & contrast

On white

1.49

#66EF5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.07

#66EF5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EF5E

14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EF5E	#FFFFFF	#000000	##000000
##66EF5E	1.00	1.49	14.07	14.07
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.07	21.00	1.00	1.00
##000000	14.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DB4E

Deuteranopia (green-blind)

#E3CF6A

Tritanopia (blue-blind)

#50E8D0

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #66ef5e;
/* rgb */ color: rgb(102, 239, 94);
/* oklch */ color: oklch(84.6% 0.221 142.4);

Tailwind

colors: {
  custom: {
    50: '#9ef590',
    500: '#66ef5e',
    950: '#000000',
  },
}

SCSS

$custom: #66ef5e;
$custom-light: #9ef590;
$custom-dark: #000000;

JSON

{
  "hex": "#66ef5e",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 94
  },
  "hsl": {
    "h": 116.69,
    "s": 81.921,
    "l": 65.294
  },
  "oklch": {
    "l": 0.84633,
    "c": 0.22125,
    "h": 142.4
  },
  "luminance": 0.65366
}

Semantic roles & 50–950 ramp

primary

#66EF5E

secondary

#B633BE

accent

#07DED2

background

#FCFFFC

surface

#F6FFF4

border

#D0D7CE

text

#10170D

muted

#80857F

Preview Lab

Preview with #66EF5E

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

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