#66F05A#66F05A

#66F05A is a very light, highly saturated green. Relative luminance 0.659; OKLCH L 84.8% C 0.225 H 142.0°. Best body text is #000000 at 14.18:1 contrast (WCAG AA passes).

Color values

HEX	#66F05A
RGB	rgb(102, 240, 90)
HSL	hsl(115, 83%, 65%)
HSV	hsv(115, 63%, 94%)
CMYK	cmyk(57.5%, 0%, 62.5%, 5.9%)
CIE-LAB	lab(84.94, -65.17, 59.66)
CIE-LCH	lch(84.94, 88.35, 137.53°)
OKLab	oklab(84.84% -0.1776 0.1387)
OKLCH	oklch(84.84% 0.225 142)
XYZ	xyz(38.4831, 65.8797, 20.3590)
Luminance	0.6588 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F05A #E45AF0

analogous

#B1F05A #66F05A #5AF099

triadic

#66F05A #5A66F0 #F05A66

tetradic

#66F05A #5AB1F0 #E45AF0 #F0995A

square

#66F05A #5AB1F0 #E45AF0 #F0995A

split-complementary

#66F05A #995AF0 #F05AB1

monochromatic

#1FBE11 #32EB22 #66F05A #9AF592 #CEFACA

Accessibility & contrast

On white

1.48

#66F05A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.18

#66F05A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F05A

14.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F05A	#FFFFFF	#000000	##000000
##66F05A	1.00	1.48	14.18	14.18
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.18	21.00	1.00	1.00
##000000	14.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DB48

Deuteranopia (green-blind)

#E4D067

Tritanopia (blue-blind)

#51E9D0

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66f05a;
/* rgb */ color: rgb(102, 240, 90);
/* oklch */ color: oklch(84.8% 0.225 142.0);

Tailwind

colors: {
  custom: {
    50: '#9ef68e',
    500: '#66f05a',
    950: '#000000',
  },
}

SCSS

$custom: #66f05a;
$custom-light: #9ef68e;
$custom-dark: #000000;

JSON

{
  "hex": "#66f05a",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 90
  },
  "hsl": {
    "h": 115.2,
    "s": 83.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.8484,
    "c": 0.22539,
    "h": 142
  },
  "luminance": 0.65883
}

Semantic roles & 50–950 ramp

primary

#66F05A

secondary

#B132BD

accent

#06E0CE

background

#FDFFFC

surface

#F7FFF4

border

#D0D7CE

text

#10170D

muted

#81857F

Preview Lab

Preview with #66F05A

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

Preview Lab → · Contrast checker → · Palette generator →