#66F05D#66F05D

#66F05D is a very light, highly saturated green. Relative luminance 0.659; OKLCH L 84.9% C 0.223 H 142.3°. Best body text is #000000 at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#66F05D
RGB	rgb(102, 240, 93)
HSL	hsl(116, 83%, 65%)
HSV	hsv(116, 61%, 94%)
CMYK	cmyk(57.5%, 0%, 61.2%, 5.9%)
CIE-LAB	lab(84.96, -64.87, 58.44)
CIE-LCH	lch(84.96, 87.31, 137.99°)
OKLab	oklab(84.87% -0.1767 0.1364)
OKLCH	oklch(84.87% 0.223 142.3)
XYZ	xyz(38.6133, 65.9318, 21.0451)
Luminance	0.6593 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F05D #E75DF0

analogous

#AFF05D #66F05D #5DF09E

triadic

#66F05D #5D66F0 #F05D66

tetradic

#66F05D #5DAFF0 #E75DF0 #F09E5D

square

#66F05D #5DAFF0 #E75DF0 #F09E5D

split-complementary

#66F05D #9E5DF0 #F05DAF

monochromatic

#1DC112 #31EB25 #66F05D #9BF595 #D0FACD

Accessibility & contrast

On white

1.48

#66F05D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.19

#66F05D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F05D

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F05D	#FFFFFF	#000000	##000000
##66F05D	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)

#F5DB4C

Deuteranopia (green-blind)

#E4D069

Tritanopia (blue-blind)

#50E9D1

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66f05d;
/* rgb */ color: rgb(102, 240, 93);
/* oklch */ color: oklch(84.9% 0.223 142.3);

Tailwind

colors: {
  custom: {
    50: '#9ef690',
    500: '#66f05d',
    950: '#000000',
  },
}

SCSS

$custom: #66f05d;
$custom-light: #9ef690;
$custom-dark: #000000;

JSON

{
  "hex": "#66f05d",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 93
  },
  "hsl": {
    "h": 116.327,
    "s": 83.051,
    "l": 65.294
  },
  "oklch": {
    "l": 0.8487,
    "c": 0.2232,
    "h": 142.3
  },
  "luminance": 0.65935
}

Semantic roles & 50–950 ramp

primary

#66F05D

secondary

#B632BF

accent

#06DFD2

background

#FDFFFC

surface

#F7FFF4

border

#D0D7CE

text

#10170D

muted

#81857F

Preview Lab

Preview with #66F05D

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

Preview Lab → · Contrast checker → · Palette generator →