#669F38#669F38

#669F38 is a light, vivid yellow-green. Relative luminance 0.279; OKLCH L 64.1% C 0.148 H 133.6°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX#669F38
RGBrgb(102, 159, 56)
HSLhsl(93, 48%, 42%)
HSVhsv(93, 65%, 62%)
CMYKcmyk(35.8%, 0%, 64.8%, 37.6%)
CIE-LABlab(59.80, -36.50, 46.42)
CIE-LCHlch(59.80, 59.05, 128.18°)
OKLaboklab(64.11% -0.1019 0.1069)
OKLCHoklch(64.11% 0.148 133.6)
XYZxyz(18.5911, 27.9058, 8.1474)
Luminance0.2791 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669F38 #71389F
analogous
#9A9F38 #669F38 #389F3E
triadic
#669F38 #38669F #9F3866
tetradic
#669F38 #389A9F #71389F #9F3E38
square
#669F38 #389A9F #71389F #9F3E38
split-complementary
#669F38 #3E389F #9F389A
monochromatic
#2C4418 #497228 #669F38 #84C252 #A4D27F

Accessibility & contrast

On white

3.19
#669F38 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.58
#669F38 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669F38
6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669F38#FFFFFF#000000##000000
##669F381.003.196.586.58
#FFFFFF3.191.0021.0021.00
#0000006.5821.001.001.00
##0000006.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5932B
Deuteranopia (green-blind)
#9D8E40
Tritanopia (blue-blind)
#66998A
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #669f38;
/* rgb */ color: rgb(102, 159, 56);
/* oklch */ color: oklch(64.1% 0.148 133.6);
Tailwind
colors: {
  custom: {
    50: '#96bc73',
    500: '#669f38',
    950: '#000000',
  },
}
SCSS
$custom: #669f38;
$custom-light: #96bc73;
$custom-dark: #000000;
JSON
{
  "hex": "#669f38",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 56
  },
  "hsl": {
    "h": 93.204,
    "s": 47.907,
    "l": 42.157
  },
  "oklch": {
    "l": 0.64113,
    "c": 0.14772,
    "h": 133.6
  },
  "luminance": 0.27907
}

Semantic roles & 50–950 ramp

primary
#669F38
secondary
#9D77BB
accent
#50D79B
background
#F9FBF7
surface
#F2F6ED
border
#CCD0C8
text
#0E1208
muted
#7E817B

Preview Lab

Preview with #669F38

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

Preview Lab → · Contrast checker → · Palette generator →

#669F38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva