#66B82F#66B82F

#66B82F is a light, vivid yellow-green. Relative luminance 0.373; OKLCH L 70.4% C 0.186 H 135.7°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX#66B82F
RGBrgb(102, 184, 47)
HSLhsl(96, 59%, 45%)
HSVhsv(96, 74%, 72%)
CMYKcmyk(44.6%, 0%, 74.5%, 27.8%)
CIE-LABlab(67.51, -47.78, 57.93)
CIE-LCHlch(67.51, 75.09, 129.51°)
OKLaboklab(70.4% -0.1332 0.1299)
OKLCHoklch(70.4% 0.186 135.7)
XYZxyz(23.1325, 37.3096, 8.6713)
Luminance0.3731 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66B82F #812FB8
analogous
#ABB82F #66B82F #2FB83C
triadic
#66B82F #2F66B8 #B82F66
tetradic
#66B82F #2FABB8 #812FB8 #B83C2F
square
#66B82F #2FABB8 #812FB8 #B83C2F
split-complementary
#66B82F #3C2FB8 #B82FAB
monochromatic
#305716 #4B8723 #66B82F #85D352 #A8DF82

Accessibility & contrast

On white

2.48
#66B82F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.46
#66B82F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B82F
8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66B82F#FFFFFF#000000##000000
##66B82F1.002.488.468.46
#FFFFFF2.481.0021.0021.00
#0000008.4621.001.001.00
##0000008.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#BFA913
Deuteranopia (green-blind)
#B4A23D
Tritanopia (blue-blind)
#63B19E
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #66b82f;
/* rgb */ color: rgb(102, 184, 47);
/* oklch */ color: oklch(70.4% 0.186 135.7);
Tailwind
colors: {
  custom: {
    50: '#99ce71',
    500: '#66b82f',
    950: '#000000',
  },
}
SCSS
$custom: #66b82f;
$custom-light: #99ce71;
$custom-dark: #000000;
JSON
{
  "hex": "#66b82f",
  "rgb": {
    "r": 102,
    "g": 184,
    "b": 47
  },
  "hsl": {
    "h": 95.912,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.70395,
    "c": 0.18605,
    "h": 135.7
  },
  "luminance": 0.37311
}

Semantic roles & 50–950 ramp

primary
#66B82F
secondary
#A97BC8
accent
#45E2A3
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0E1308
muted
#7E827B

Preview Lab

Preview with #66B82F

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

Preview Lab → · Contrast checker → · Palette generator →

#66B82F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva