#66F459#66F459

#66F459 is a very light, highly saturated green. Relative luminance 0.682; OKLCH L 85.8% C 0.231 H 141.9°. Best body text is #000000 at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#66F459
RGB	rgb(102, 244, 89)
HSL	hsl(115, 88%, 65%)
HSV	hsv(115, 64%, 96%)
CMYK	cmyk(58.2%, 0%, 63.5%, 4.3%)
CIE-LAB	lab(86.13, -66.67, 61.39)
CIE-LCH	lch(86.13, 90.63, 137.36°)
OKLab	oklab(85.82% -0.1818 0.1423)
OKLCH	oklch(85.82% 0.231 141.9)
XYZ	xyz(39.6313, 68.2438, 20.5331)
Luminance	0.6825 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F459 #E759F4

analogous

#B3F459 #66F459 #59F49A

triadic

#66F459 #5966F4 #F45966

tetradic

#66F459 #59B3F4 #E759F4 #F49A59

square

#66F459 #59B3F4 #E759F4 #F49A59

split-complementary

#66F459 #9A59F4 #F459B3

monochromatic

#1DC60D #31F020 #66F459 #9BF892 #D0FCCC

Accessibility & contrast

On white

1.43

#66F459 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.65

#66F459 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F459

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F459	#FFFFFF	#000000	##000000
##66F459	1.00	1.43	14.65	14.65
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.65	21.00	1.00	1.00
##000000	14.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF46

Deuteranopia (green-blind)

#E8D366

Tritanopia (blue-blind)

#50EDD4

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f459;
/* rgb */ color: rgb(102, 244, 89);
/* oklch */ color: oklch(85.8% 0.231 141.9);

Tailwind

colors: {
  custom: {
    50: '#9ff98e',
    500: '#66f459',
    950: '#000000',
  },
}

SCSS

$custom: #66f459;
$custom-light: #9ff98e;
$custom-dark: #000000;

JSON

{
  "hex": "#66f459",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 89
  },
  "hsl": {
    "h": 114.968,
    "s": 87.571,
    "l": 65.294
  },
  "oklch": {
    "l": 0.85822,
    "c": 0.23083,
    "h": 141.9
  },
  "luminance": 0.68247
}

Semantic roles & 50–950 ramp

primary

#66F459

secondary

#B62FC3

accent

#01E4D1

background

#FDFFFC

surface

#F7FFF4

border

#D0D7CE

text

#10170D

muted

#81857F

Preview Lab

Preview with #66F459

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

Preview Lab → · Contrast checker → · Palette generator →