#66B625#66B625

#66B625 is a light, vivid yellow-green. Relative luminance 0.364; OKLCH L 69.8% C 0.189 H 134.9°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX#66B625
RGBrgb(102, 182, 37)
HSLhsl(93, 66%, 43%)
HSVhsv(93, 80%, 71%)
CMYKcmyk(44%, 0%, 79.7%, 28.6%)
CIE-LABlab(66.83, -47.55, 60.50)
CIE-LCHlch(66.83, 76.96, 128.17°)
OKLaboklab(69.82% -0.1332 0.1338)
OKLCHoklch(69.82% 0.189 134.9)
XYZxyz(22.5409, 36.4129, 7.5906)
Luminance0.3641 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66B625 #7525B6
analogous
#AFB625 #66B625 #25B62C
triadic
#66B625 #2566B6 #B62566
tetradic
#66B625 #25AFB6 #7525B6 #B62C25
square
#66B625 #25AFB6 #7525B6 #B62C25
split-complementary
#66B625 #2C25B6 #B625AF
monochromatic
#2D5010 #49831B #66B625 #84D840 #A5E373

Accessibility & contrast

On white

2.54
#66B625 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.28
#66B625 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B625
8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66B625#FFFFFF#000000##000000
##66B6251.002.548.288.28
#FFFFFF2.541.0021.0021.00
#0000008.2821.001.001.00
##0000008.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDA700
Deuteranopia (green-blind)
#B2A036
Tritanopia (blue-blind)
#64AF9B
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #66b625;
/* rgb */ color: rgb(102, 182, 37);
/* oklch */ color: oklch(69.8% 0.189 134.9);
Tailwind
colors: {
  custom: {
    50: '#99cc6c',
    500: '#66b625',
    950: '#000000',
  },
}
SCSS
$custom: #66b625;
$custom-light: #99cc6c;
$custom-dark: #000000;
JSON
{
  "hex": "#66b625",
  "rgb": {
    "r": 102,
    "g": 182,
    "b": 37
  },
  "hsl": {
    "h": 93.103,
    "s": 66.21,
    "l": 42.941
  },
  "oklch": {
    "l": 0.69824,
    "c": 0.18882,
    "h": 134.9
  },
  "luminance": 0.36414
}

Semantic roles & 50–950 ramp

primary
#66B625
secondary
#A06DCA
accent
#3FE99D
background
#F9FCF6
surface
#F2F9EC
border
#CCD2C7
text
#0F1308
muted
#7E827B

Preview Lab

Preview with #66B625

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

Preview Lab → · Contrast checker → · Palette generator →

#66B625 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva