#66F58E#66F58E

#66F58E is a very light, vivid green. Relative luminance 0.701; OKLCH L 86.8% C 0.188 H 149.9°. Best body text is #000000 at 15.02:1 contrast (WCAG AA passes).

Color values

HEX#66F58E
RGBrgb(102, 245, 142)
HSLhsl(137, 88%, 68%)
HSVhsv(137, 58%, 96%)
CMYKcmyk(58.4%, 0%, 42%, 3.9%)
CIE-LABlab(87.04, -60.25, 38.28)
CIE-LCHlch(87.04, 71.38, 147.57°)
OKLaboklab(86.77% -0.1629 0.0945)
OKLCHoklch(86.77% 0.188 149.9)
XYZxyz(43.0113, 70.0785, 36.8458)
Luminance0.7008 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F58E #F566CD
analogous
#85F566 #66F58E #66F5D5
triadic
#66F58E #8E66F5 #F58E66
tetradic
#66F58E #6685F5 #F566CD #F5D566
square
#66F58E #6685F5 #F566CD #F5D566
split-complementary
#66F58E #D566F5 #F56685
monochromatic
#0ED345 #2DF164 #66F58E #9FF9B8 #D9FDE3

Accessibility & contrast

On white

1.40
#66F58E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.02
#66F58E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F58E
15.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F58E#FFFFFF#000000##000000
##66F58E1.001.4015.0215.02
#FFFFFF1.401.0021.0021.00
#00000015.0221.001.001.00
##00000015.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#F7E286
Deuteranopia (green-blind)
#E4D595
Tritanopia (blue-blind)
#3EF1DC
Achromatopsia (no color)
#DADADA

Design tokens & code

CSS
--color: #66f58e;
/* rgb */ color: rgb(102, 245, 142);
/* oklch */ color: oklch(86.8% 0.188 149.9);
Tailwind
colors: {
  custom: {
    50: '#9df9b0',
    500: '#66f58e',
    950: '#000000',
  },
}
SCSS
$custom: #66f58e;
$custom-light: #9df9b0;
$custom-dark: #000000;
JSON
{
  "hex": "#66f58e",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 142
  },
  "hsl": {
    "h": 136.783,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.86766,
    "c": 0.18833,
    "h": 149.9
  },
  "luminance": 0.70083
}

Semantic roles & 50–950 ramp

primary
#66F58E
secondary
#CE31A2
accent
#01A5E4
background
#FCFFFD
surface
#F6FFF7
border
#D0D7D0
text
#0F1710
muted
#808581

Preview Lab

Preview with #66F58E

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

Preview Lab → · Contrast checker → · Palette generator →

#66F58E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva