#66F05E#66F05E

#66F05E is a very light, highly saturated green. Relative luminance 0.660; OKLCH L 84.9% C 0.222 H 142.4°. Best body text is #000000 at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#66F05E
RGB	rgb(102, 240, 94)
HSL	hsl(117, 83%, 65%)
HSV	hsv(117, 61%, 94%)
CMYK	cmyk(57.5%, 0%, 60.8%, 5.9%)
CIE-LAB	lab(84.97, -64.76, 58.02)
CIE-LCH	lch(84.97, 86.95, 138.14°)
OKLab	oklab(84.88% -0.1763 0.1356)
OKLCH	oklch(84.88% 0.222 142.4)
XYZ	xyz(38.6579, 65.9496, 21.2799)
Luminance	0.6595 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F05E #E85EF0

analogous

#AFF05E #66F05E #5EF09F

triadic

#66F05E #5E66F0 #F05E66

tetradic

#66F05E #5EAFF0 #E85EF0 #F09F5E

square

#66F05E #5EAFF0 #E85EF0 #F09F5E

split-complementary

#66F05E #9F5EF0 #F05EAF

monochromatic

#1CC212 #31EB26 #66F05E #9BF596 #D0FACE

Accessibility & contrast

On white

1.48

#66F05E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.19

#66F05E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F05E

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F05E	#FFFFFF	#000000	##000000
##66F05E	1.00	1.48	14.19	14.19
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.19	21.00	1.00	1.00
##000000	14.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DB4E

Deuteranopia (green-blind)

#E4D06A

Tritanopia (blue-blind)

#50E9D1

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66f05e;
/* rgb */ color: rgb(102, 240, 94);
/* oklch */ color: oklch(84.9% 0.222 142.4);

Tailwind

colors: {
  custom: {
    50: '#9ef691',
    500: '#66f05e',
    950: '#000000',
  },
}

SCSS

$custom: #66f05e;
$custom-light: #9ef691;
$custom-dark: #000000;

JSON

{
  "hex": "#66f05e",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 94
  },
  "hsl": {
    "h": 116.712,
    "s": 82.955,
    "l": 65.49
  },
  "oklch": {
    "l": 0.84881,
    "c": 0.22245,
    "h": 142.4
  },
  "luminance": 0.65953
}

Semantic roles & 50–950 ramp

primary

#66F05E

secondary

#B833BF

accent

#06DFD3

background

#FCFFFC

surface

#F6FFF4

border

#D0D7CE

text

#10170D

muted

#80857F

Preview Lab

Preview with #66F05E

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

Preview Lab → · Contrast checker → · Palette generator →