#677B40#677B40

#677B40 is a mid, moderate yellow-green. Relative luminance 0.174; OKLCH L 55.2% C 0.087 H 124.6°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#677B40
RGBrgb(103, 123, 64)
HSLhsl(80, 32%, 37%)
HSVhsv(80, 48%, 48%)
CMYKcmyk(16.3%, 0%, 48%, 51.8%)
CIE-LABlab(48.78, -17.71, 29.73)
CIE-LCHlch(48.78, 34.61, 120.78°)
OKLaboklab(55.23% -0.0493 0.0716)
OKLCHoklch(55.23% 0.087 124.6)
XYZxyz(13.6019, 17.4196, 7.4952)
Luminance0.1742 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#677B40 #54407B
analogous
#7B7240 #677B40 #4A7B40
triadic
#677B40 #40677B #7B4067
tetradic
#677B40 #407B72 #54407B #7B404A
square
#677B40 #407B72 #54407B #7B404A
split-complementary
#677B40 #404A7B #72407B
monochromatic
#242A16 #45532B #677B40 #89A355 #A5BA7B

Accessibility & contrast

On white

4.68
#677B40 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.48
#677B40 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #677B40
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##677B40#FFFFFF#000000##FFFFFF
##677B401.004.684.484.68
#FFFFFF4.681.0021.001.00
#0000004.4821.001.0021.00
##FFFFFF4.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#81753B
Deuteranopia (green-blind)
#7E7443
Tritanopia (blue-blind)
#6B766D
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #677b40;
/* rgb */ color: rgb(103, 123, 64);
/* oklch */ color: oklch(55.2% 0.087 124.6);
Tailwind
colors: {
  custom: {
    50: '#93a176',
    500: '#677b40',
    950: '#000000',
  },
}
SCSS
$custom: #677b40;
$custom-light: #93a176;
$custom-dark: #000000;
JSON
{
  "hex": "#677b40",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 64
  },
  "hsl": {
    "h": 80.339,
    "s": 31.551,
    "l": 36.667
  },
  "oklch": {
    "l": 0.55232,
    "c": 0.08692,
    "h": 124.6
  },
  "luminance": 0.1742
}

Semantic roles & 50–950 ramp

primary
#677B40
secondary
#8372A5
accent
#60C883
background
#F9F9F7
surface
#F1F2ED
border
#CBCCC8
text
#0D0F08
muted
#7E7E7B

Preview Lab

Preview with #677B40

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

Preview Lab → · Contrast checker → · Palette generator →

#677B40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva