#66ED5A#66ED5A

#66ED5A is a very light, highly saturated green. Relative luminance 0.641; OKLCH L 84.1% C 0.222 H 142.0°. Best body text is #000000 at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#66ED5A
RGB	rgb(102, 237, 90)
HSL	hsl(115, 80%, 64%)
HSV	hsv(115, 62%, 93%)
CMYK	cmyk(57%, 0%, 62%, 7.1%)
CIE-LAB	lab(84.03, -64.11, 58.65)
CIE-LCH	lch(84.03, 86.89, 137.54°)
OKLab	oklab(84.1% -0.1748 0.1366)
OKLCH	oklch(84.1% 0.222 142)
XYZ	xyz(37.6072, 64.1280, 20.0670)
Luminance	0.6413 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ED5A #E15AED

analogous

#B0ED5A #66ED5A #5AED98

triadic

#66ED5A #5A66ED #ED5A66

tetradic

#66ED5A #5AB0ED #E15AED #ED985A

square

#66ED5A #5AB0ED #E15AED #ED985A

split-complementary

#66ED5A #985AED #ED5AB0

monochromatic

#22B814 #33E723 #66ED5A #99F391 #CCF9C8

Accessibility & contrast

On white

1.52

#66ED5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.83

#66ED5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ED5A

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ED5A	#FFFFFF	#000000	##000000
##66ED5A	1.00	1.52	13.83	13.83
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.83	21.00	1.00	1.00
##000000	13.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D949

Deuteranopia (green-blind)

#E1CD66

Tritanopia (blue-blind)

#52E6CE

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66ed5a;
/* rgb */ color: rgb(102, 237, 90);
/* oklch */ color: oklch(84.1% 0.222 142.0);

Tailwind

colors: {
  custom: {
    50: '#9ef48e',
    500: '#66ed5a',
    950: '#000000',
  },
}

SCSS

$custom: #66ed5a;
$custom-light: #9ef48e;
$custom-dark: #000000;

JSON

{
  "hex": "#66ed5a",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 90
  },
  "hsl": {
    "h": 115.102,
    "s": 80.328,
    "l": 64.118
  },
  "oklch": {
    "l": 0.84095,
    "c": 0.22179,
    "h": 142
  },
  "luminance": 0.64131
}

Semantic roles & 50–950 ramp

primary

#66ED5A

secondary

#AD33B8

accent

#09DDCB

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#10170D

muted

#80857F

Preview Lab

Preview with #66ED5A

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

Preview Lab → · Contrast checker → · Palette generator →