#66F259#66F259

#66F259 is a very light, highly saturated green. Relative luminance 0.670; OKLCH L 85.3% C 0.228 H 141.9°. Best body text is #000000 at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#66F259
RGB	rgb(102, 242, 89)
HSL	hsl(115, 85%, 65%)
HSV	hsv(115, 63%, 95%)
CMYK	cmyk(57.9%, 0%, 63.2%, 5.1%)
CIE-LAB	lab(85.53, -65.97, 60.73)
CIE-LCH	lch(85.53, 89.67, 137.37°)
OKLab	oklab(85.33% -0.1799 0.1409)
OKLCH	oklch(85.33% 0.228 141.9)
XYZ	xyz(39.0328, 67.0468, 20.3336)
Luminance	0.6705 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F259 #E559F2

analogous

#B3F259 #66F259 #59F299

triadic

#66F259 #5966F2 #F25966

tetradic

#66F259 #59B3F2 #E559F2 #F29959

square

#66F259 #59B3F2 #E559F2 #F29959

split-complementary

#66F259 #9959F2 #F259B3

monochromatic

#1EC10F #32EE20 #66F259 #9AF692 #CFFBCB

Accessibility & contrast

On white

1.46

#66F259 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.41

#66F259 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F259

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F259	#FFFFFF	#000000	##000000
##66F259	1.00	1.46	14.41	14.41
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.41	21.00	1.00	1.00
##000000	14.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DD46

Deuteranopia (green-blind)

#E6D166

Tritanopia (blue-blind)

#50EBD2

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66f259;
/* rgb */ color: rgb(102, 242, 89);
/* oklch */ color: oklch(85.3% 0.228 141.9);

Tailwind

colors: {
  custom: {
    50: '#9ff78e',
    500: '#66f259',
    950: '#000000',
  },
}

SCSS

$custom: #66f259;
$custom-light: #9ff78e;
$custom-dark: #000000;

JSON

{
  "hex": "#66f259",
  "rgb": {
    "r": 102,
    "g": 242,
    "b": 89
  },
  "hsl": {
    "h": 114.902,
    "s": 85.475,
    "l": 64.902
  },
  "oklch": {
    "l": 0.85326,
    "c": 0.22847,
    "h": 141.9
  },
  "luminance": 0.6705
}

Semantic roles & 50–950 ramp

primary

#66F259

secondary

#B330BF

accent

#04E2CF

background

#FDFFFC

surface

#F7FFF4

border

#D0D7CE

text

#10170D

muted

#81857F

Preview Lab

Preview with #66F259

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

Preview Lab → · Contrast checker → · Palette generator →