#66B535#66B535

#66B535 is a light, vivid yellow-green. Relative luminance 0.361; OKLCH L 69.7% C 0.179 H 135.9°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX#66B535
RGBrgb(102, 181, 53)
HSLhsl(97, 55%, 46%)
HSVhsv(97, 71%, 71%)
CMYKcmyk(43.6%, 0%, 70.7%, 29%)
CIE-LABlab(66.62, -46.14, 54.85)
CIE-LCHlch(66.62, 71.68, 130.07°)
OKLaboklab(69.68% -0.1284 0.1243)
OKLCHoklch(69.68% 0.179 135.9)
XYZxyz(22.6454, 36.1282, 9.1477)
Luminance0.3613 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66B535 #8435B5
analogous
#A6B535 #66B535 #35B544
triadic
#66B535 #3566B5 #B53566
tetradic
#66B535 #35A6B5 #8435B5 #B54435
square
#66B535 #35A6B5 #8435B5 #B54435
split-complementary
#66B535 #4435B5 #B535A6
monochromatic
#315619 #4B8627 #66B535 #86CE59 #A8DC88

Accessibility & contrast

On white

2.55
#66B535 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.23
#66B535 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B535
8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66B535#FFFFFF#000000##000000
##66B5351.002.558.238.23
#FFFFFF2.551.0021.0021.00
#0000008.2321.001.001.00
##0000008.2321.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBA620
Deuteranopia (green-blind)
#B1A041
Tritanopia (blue-blind)
#63AE9C
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #66b535;
/* rgb */ color: rgb(102, 181, 53);
/* oklch */ color: oklch(69.7% 0.179 135.9);
Tailwind
colors: {
  custom: {
    50: '#98cc74',
    500: '#66b535',
    950: '#000000',
  },
}
SCSS
$custom: #66b535;
$custom-light: #98cc74;
$custom-dark: #000000;
JSON
{
  "hex": "#66b535",
  "rgb": {
    "r": 102,
    "g": 181,
    "b": 53
  },
  "hsl": {
    "h": 97.031,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.69677,
    "c": 0.17867,
    "h": 135.9
  },
  "luminance": 0.3613
}

Semantic roles & 50–950 ramp

primary
#66B535
secondary
#AB80C6
accent
#4ADEA5
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0E1309
muted
#7E827B

Preview Lab

Preview with #66B535

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

Preview Lab → · Contrast checker → · Palette generator →

#66B535 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva