#66F799#66F799

#66F799 is a very light, vivid green. Relative luminance 0.716; OKLCH L 87.4% C 0.181 H 152.3°. Best body text is #000000 at 15.33:1 contrast (WCAG AA passes).

Color values

HEX#66F799
RGBrgb(102, 247, 153)
HSLhsl(141, 90%, 68%)
HSVhsv(141, 59%, 97%)
CMYKcmyk(58.7%, 0%, 38.1%, 3.1%)
CIE-LABlab(87.80, -59.19, 33.82)
CIE-LCHlch(87.80, 68.17, 150.26°)
OKLaboklab(87.45% -0.1602 0.0843)
OKLCHoklch(87.45% 0.181 152.3)
XYZxyz(44.4866, 71.6419, 41.6147)
Luminance0.7165 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F799 #F766C4
analogous
#7BF766 #66F799 #66F7E1
triadic
#66F799 #9966F7 #F79966
tetradic
#66F799 #667BF7 #F766C4 #F7E166
square
#66F799 #667BF7 #F766C4 #F7E166
split-complementary
#66F799 #E166F7 #F7667B
monochromatic
#0BD753 #2CF472 #66F799 #A0FAC0 #DAFDE7

Accessibility & contrast

On white

1.37
#66F799 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.33
#66F799 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F799
15.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F799#FFFFFF#000000##000000
##66F7991.001.3715.3315.33
#FFFFFF1.371.0021.0021.00
#00000015.3321.001.001.00
##00000015.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#F7E493
Deuteranopia (green-blind)
#E4D79F
Tritanopia (blue-blind)
#37F4DF
Achromatopsia (no color)
#DCDCDC

Design tokens & code

CSS
--color: #66f799;
/* rgb */ color: rgb(102, 247, 153);
/* oklch */ color: oklch(87.4% 0.181 152.3);
Tailwind
colors: {
  custom: {
    50: '#9efbb8',
    500: '#66f799',
    950: '#000000',
  },
}
SCSS
$custom: #66f799;
$custom-light: #9efbb8;
$custom-dark: #000000;
JSON
{
  "hex": "#66f799",
  "rgb": {
    "r": 102,
    "g": 247,
    "b": 153
  },
  "hsl": {
    "h": 141.103,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.87446,
    "c": 0.18107,
    "h": 152.3
  },
  "luminance": 0.71646
}

Semantic roles & 50–950 ramp

primary
#66F799
secondary
#D03198
accent
#0095E6
background
#FCFFFD
surface
#F6FFF8
border
#D0D7D1
text
#0F1711
muted
#808581

Preview Lab

Preview with #66F799

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

Preview Lab → · Contrast checker → · Palette generator →

#66F799 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva