#66B626#66B626

#66B626 is a light, vivid yellow-green. Relative luminance 0.364; OKLCH L 69.8% C 0.188 H 134.9°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX#66B626
RGBrgb(102, 182, 38)
HSLhsl(93, 65%, 43%)
HSVhsv(93, 79%, 71%)
CMYKcmyk(44%, 0%, 79.1%, 28.6%)
CIE-LABlab(66.84, -47.50, 60.21)
CIE-LCHlch(66.84, 76.69, 128.27°)
OKLaboklab(69.83% -0.133 0.1333)
OKLCHoklch(69.83% 0.188 134.9)
XYZxyz(22.5568, 36.4193, 7.6744)
Luminance0.3642 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66B626 #7626B6
analogous
#AEB626 #66B626 #26B62E
triadic
#66B626 #2666B6 #B62666
tetradic
#66B626 #26AEB6 #7626B6 #B62E26
square
#66B626 #26AEB6 #7626B6 #B62E26
split-complementary
#66B626 #2E26B6 #B626AE
monochromatic
#2D5111 #4A831B #66B626 #84D742 #A5E274

Accessibility & contrast

On white

2.53
#66B626 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.28
#66B626 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B626
8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66B626#FFFFFF#000000##000000
##66B6261.002.538.288.28
#FFFFFF2.531.0021.0021.00
#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: #66b626;
/* rgb */ color: rgb(102, 182, 38);
/* oklch */ color: oklch(69.8% 0.188 134.9);
Tailwind
colors: {
  custom: {
    50: '#99cc6d',
    500: '#66b626',
    950: '#000000',
  },
}
SCSS
$custom: #66b626;
$custom-light: #99cc6d;
$custom-dark: #000000;
JSON
{
  "hex": "#66b626",
  "rgb": {
    "r": 102,
    "g": 182,
    "b": 38
  },
  "hsl": {
    "h": 93.333,
    "s": 65.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.6983,
    "c": 0.18835,
    "h": 134.9
  },
  "luminance": 0.36421
}

Semantic roles & 50–950 ramp

primary
#66B626
secondary
#A16EC9
accent
#3FE89D
background
#F9FCF6
surface
#F2F9EC
border
#CCD2C7
text
#0F1308
muted
#7E827B

Preview Lab

Preview with #66B626

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

Preview Lab → · Contrast checker → · Palette generator →

#66B626 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva