#66F5A5#66F5A5

#66F5A5 is a very light, vivid green. Relative luminance 0.708; OKLCH L 87.2% C 0.168 H 155.8°. Best body text is #000000 at 15.17:1 contrast (WCAG AA passes).

Color values

HEX#66F5A5
RGBrgb(102, 245, 165)
HSLhsl(146, 88%, 68%)
HSVhsv(146, 58%, 96%)
CMYKcmyk(58.4%, 0%, 32.7%, 3.9%)
CIE-LABlab(87.41, -56.26, 27.25)
CIE-LCHlch(87.41, 62.51, 154.16°)
OKLaboklab(87.19% -0.153 0.0687)
OKLCHoklch(87.19% 0.168 155.8)
XYZxyz(44.9196, 70.8419, 46.8966)
Luminance0.7085 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F5A5 #F566B6
analogous
#6EF566 #66F5A5 #66F5ED
triadic
#66F5A5 #A566F5 #F5A566
tetradic
#66F5A5 #666EF5 #F566B6 #F5ED66
square
#66F5A5 #666EF5 #F566B6 #F5ED66
split-complementary
#66F5A5 #ED66F5 #F5666E
monochromatic
#0ED365 #2DF183 #66F5A5 #9FF9C7 #D9FDE9

Accessibility & contrast

On white

1.38
#66F5A5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.17
#66F5A5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5A5
15.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F5A5#FFFFFF#000000##000000
##66F5A51.001.3815.1715.17
#FFFFFF1.381.0021.0021.00
#00000015.1721.001.001.00
##00000015.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#F4E3A0
Deuteranopia (green-blind)
#E0D6AA
Tritanopia (blue-blind)
#30F3E0
Achromatopsia (no color)
#DBDBDB

Design tokens & code

CSS
--color: #66f5a5;
/* rgb */ color: rgb(102, 245, 165);
/* oklch */ color: oklch(87.2% 0.168 155.8);
Tailwind
colors: {
  custom: {
    50: '#9df9c0',
    500: '#66f5a5',
    950: '#000000',
  },
}
SCSS
$custom: #66f5a5;
$custom-light: #9df9c0;
$custom-dark: #000000;
JSON
{
  "hex": "#66f5a5",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 165
  },
  "hsl": {
    "h": 146.434,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.87194,
    "c": 0.16771,
    "h": 155.8
  },
  "luminance": 0.70846
}

Semantic roles & 50–950 ramp

primary
#66F5A5
secondary
#CE3189
accent
#0180E4
background
#FCFFFD
surface
#F6FFF9
border
#D0D7D2
text
#0F1712
muted
#808582

Preview Lab

Preview with #66F5A5

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

Preview Lab → · Contrast checker → · Palette generator →

#66F5A5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva