#667C18#667C18

#667C18 is a mid, vivid yellow-green. Relative luminance 0.173; OKLCH L 55.0% C 0.123 H 121.8°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX#667C18
RGBrgb(102, 124, 24)
HSLhsl(73, 68%, 29%)
HSVhsv(73, 81%, 49%)
CMYKcmyk(17.7%, 0%, 80.6%, 51.4%)
CIE-LABlab(48.64, -22.00, 47.70)
CIE-LCHlch(48.64, 52.53, 114.76°)
OKLaboklab(54.98% -0.065 0.1047)
OKLCHoklch(54.98% 0.123 121.8)
XYZxyz(12.8522, 17.3060, 3.5273)
Luminance0.1731 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#667C18 #2E187C
analogous
#7C6018 #667C18 #347C18
triadic
#667C18 #18667C #7C1866
tetradic
#667C18 #187C60 #2E187C #7C1834
square
#667C18 #187C60 #2E187C #7C1834
split-complementary
#667C18 #18347C #60187C
monochromatic
#151A05 #3C490E #667C18 #90AF22 #B5D836

Accessibility & contrast

On white

4.71
#667C18 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.46
#667C18 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #667C18
4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##667C18#FFFFFF#000000##FFFFFF
##667C181.004.714.464.71
#FFFFFF4.711.0021.001.00
#0000004.4621.001.0021.00
##FFFFFF4.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#847400
Deuteranopia (green-blind)
#817422
Tritanopia (blue-blind)
#6C756A
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #667c18;
/* rgb */ color: rgb(102, 124, 24);
/* oklch */ color: oklch(55.0% 0.123 121.8);
Tailwind
colors: {
  custom: {
    50: '#95a25e',
    500: '#667c18',
    950: '#000000',
  },
}
SCSS
$custom: #667c18;
$custom-light: #95a25e;
$custom-dark: #000000;
JSON
{
  "hex": "#667c18",
  "rgb": {
    "r": 102,
    "g": 124,
    "b": 24
  },
  "hsl": {
    "h": 73.2,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.54979,
    "c": 0.12325,
    "h": 121.8
  },
  "luminance": 0.17306
}

Semantic roles & 50–950 ramp

primary
#667C18
secondary
#583FB1
accent
#3DEA63
background
#F9F9F5
surface
#F2F2EA
border
#CCCCC6
text
#0E0F05
muted
#7E7E79

Preview Lab

Preview with #667C18

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

Preview Lab → · Contrast checker → · Palette generator →

#667C18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva