#669B21#669B21

#669B21 is a light, vivid yellow-green. Relative luminance 0.264; OKLCH L 62.9% C 0.158 H 130.9°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX#669B21
RGBrgb(102, 155, 33)
HSLhsl(86, 65%, 37%)
HSVhsv(86, 79%, 61%)
CMYKcmyk(34.2%, 0%, 78.7%, 39.2%)
CIE-LABlab(58.39, -36.34, 53.85)
CIE-LCHlch(58.39, 64.96, 124.02°)
OKLaboklab(62.91% -0.1033 0.1192)
OKLCHoklch(62.91% 0.158 130.9)
XYZxyz(17.4752, 26.3766, 5.6090)
Luminance0.2638 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669B21 #56219B
analogous
#9B9321 #669B21 #299B21
triadic
#669B21 #21669B #9B2166
tetradic
#669B21 #219B93 #56219B #9B2129
square
#669B21 #219B93 #56219B #9B2129
split-complementary
#669B21 #21299B #93219B
monochromatic
#24360C #456916 #669B21 #87CD2C #A4DC5A

Accessibility & contrast

On white

3.35
#669B21 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.28
#669B21 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669B21
6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669B21#FFFFFF#000000##000000
##669B211.003.356.286.28
#FFFFFF3.351.0021.0021.00
#0000006.2821.001.001.00
##0000006.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A28F00
Deuteranopia (green-blind)
#9B8B2E
Tritanopia (blue-blind)
#689484
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #669b21;
/* rgb */ color: rgb(102, 155, 33);
/* oklch */ color: oklch(62.9% 0.158 130.9);
Tailwind
colors: {
  custom: {
    50: '#96b967',
    500: '#669b21',
    950: '#000000',
  },
}
SCSS
$custom: #669b21;
$custom-light: #96b967;
$custom-dark: #000000;
JSON
{
  "hex": "#669b21",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 33
  },
  "hsl": {
    "h": 86.066,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.6291,
    "c": 0.15773,
    "h": 130.9
  },
  "luminance": 0.26377
}

Semantic roles & 50–950 ramp

primary
#669B21
secondary
#8558C0
accent
#40E889
background
#F9FBF6
surface
#F2F6EB
border
#CCD0C6
text
#0E1106
muted
#7E807A

Preview Lab

Preview with #669B21

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

Preview Lab → · Contrast checker → · Palette generator →

#669B21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva