#66E487#66E487

#66E487 is a very light, vivid green. Relative luminance 0.601; OKLCH L 82.5% C 0.172 H 149.7°. Best body text is #000000 at 13.01:1 contrast (WCAG AA passes).

Color values

HEX#66E487
RGBrgb(102, 228, 135)
HSLhsl(136, 70%, 65%)
HSVhsv(136, 55%, 89%)
CMYKcmyk(55.3%, 0%, 40.8%, 10.6%)
CIE-LABlab(81.87, -54.83, 35.04)
CIE-LCHlch(81.87, 65.07, 147.42°)
OKLaboklab(82.49% -0.1485 0.0867)
OKLCHoklch(82.49% 0.172 149.7)
XYZxyz(37.5934, 60.0575, 32.5281)
Luminance0.6006 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E487 #E466C3
analogous
#84E466 #66E487 #66E4C6
triadic
#66E487 #8766E4 #E48766
tetradic
#66E487 #6684E4 #E466C3 #E4C666
square
#66E487 #6684E4 #E466C3 #E4C666
split-complementary
#66E487 #C666E4 #E46684
monochromatic
#1FB045 #32DB5E #66E487 #9AEDB0 #CEF6D9

Accessibility & contrast

On white

1.61
#66E487 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.01
#66E487 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E487
13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E487#FFFFFF#000000##000000
##66E4871.001.6113.0113.01
#FFFFFF1.611.0021.0021.00
#00000013.0121.001.001.00
##00000013.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E5D380
Deuteranopia (green-blind)
#D4C78D
Tritanopia (blue-blind)
#48E0CD
Achromatopsia (no color)
#CCCCCC

Design tokens & code

CSS
--color: #66e487;
/* rgb */ color: rgb(102, 228, 135);
/* oklch */ color: oklch(82.5% 0.172 149.7);
Tailwind
colors: {
  custom: {
    50: '#9bedab',
    500: '#66e487',
    950: '#000000',
  },
}
SCSS
$custom: #66e487;
$custom-light: #9bedab;
$custom-dark: #000000;
JSON
{
  "hex": "#66e487",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 135
  },
  "hsl": {
    "h": 135.714,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.82491,
    "c": 0.17196,
    "h": 149.7
  },
  "luminance": 0.60061
}

Semantic roles & 50–950 ramp

primary
#66E487
secondary
#B13D93
accent
#14A0D2
background
#FCFFFD
surface
#F5FEF7
border
#CFD6D0
text
#0F1610
muted
#808581

Preview Lab

Preview with #66E487

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

Preview Lab → · Contrast checker → · Palette generator →

#66E487 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva