#66B52E#66B52E

#66B52E is a light, vivid yellow-green. Relative luminance 0.361; OKLCH L 69.6% C 0.183 H 135.4°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX#66B52E
RGBrgb(102, 181, 46)
HSLhsl(95, 59%, 45%)
HSVhsv(95, 75%, 71%)
CMYKcmyk(43.6%, 0%, 74.6%, 29%)
CIE-LABlab(66.57, -46.63, 57.36)
CIE-LCHlch(66.57, 73.92, 129.11°)
OKLaboklab(69.63% -0.1302 0.1285)
OKLCHoklch(69.63% 0.183 135.4)
XYZxyz(22.4960, 36.0685, 8.3608)
Luminance0.3607 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66B52E #7D2EB5
analogous
#AAB52E #66B52E #2EB53A
triadic
#66B52E #2E66B5 #B52E66
tetradic
#66B52E #2EAAB5 #7D2EB5 #B53A2E
square
#66B52E #2EAAB5 #7D2EB5 #B53A2E
split-complementary
#66B52E #3A2EB5 #B52EAA
monochromatic
#2F5315 #4B8422 #66B52E #85D24E #A7DE7F

Accessibility & contrast

On white

2.56
#66B52E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.21
#66B52E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B52E
8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66B52E#FFFFFF#000000##000000
##66B52E1.002.568.218.21
#FFFFFF2.561.0021.0021.00
#0000008.2121.001.001.00
##0000008.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#BCA612
Deuteranopia (green-blind)
#B1A03C
Tritanopia (blue-blind)
#64AE9B
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #66b52e;
/* rgb */ color: rgb(102, 181, 46);
/* oklch */ color: oklch(69.6% 0.183 135.4);
Tailwind
colors: {
  custom: {
    50: '#98cc70',
    500: '#66b52e',
    950: '#000000',
  },
}
SCSS
$custom: #66b52e;
$custom-light: #98cc70;
$custom-dark: #000000;
JSON
{
  "hex": "#66b52e",
  "rgb": {
    "r": 102,
    "g": 181,
    "b": 46
  },
  "hsl": {
    "h": 95.111,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.69625,
    "c": 0.18294,
    "h": 135.4
  },
  "luminance": 0.3607
}

Semantic roles & 50–950 ramp

primary
#66B52E
secondary
#A678C7
accent
#45E3A1
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0E1308
muted
#7E827B

Preview Lab

Preview with #66B52E

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

Preview Lab → · Contrast checker → · Palette generator →

#66B52E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva