#677B31#677B31

#677B31 is a mid, moderate yellow-green. Relative luminance 0.173; OKLCH L 55.0% C 0.103 H 122.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#677B31
RGB	rgb(103, 123, 49)
HSL	hsl(76, 43%, 34%)
HSV	hsv(76, 60%, 48%)
CMYK	cmyk(16.3%, 0%, 60.2%, 51.8%)
CIE-LAB	lab(48.60, -19.32, 37.26)
CIE-LCH	lch(48.60, 41.97, 117.40°)
OKLab	oklab(55.02% -0.0552 0.0866)
OKLCH	oklch(55.02% 0.103 122.5)
XYZ	xyz(13.2310, 17.2712, 5.5418)
Luminance	0.1727 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677B31 #45317B

analogous

#7B6A31 #677B31 #427B31

triadic

#677B31 #31677B #7B3167

tetradic

#677B31 #317B6A #45317B #7B3142

square

#677B31 #317B6A #45317B #7B3142

split-complementary

#677B31 #31427B #6A317B

monochromatic

#1E230E #424F20 #677B31 #8CA742 #A9C265

Accessibility & contrast

On white

4.71

#677B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#677B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #677B31

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677B31	#FFFFFF	#000000	##FFFFFF
##677B31	1.00	4.71	4.45	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827429

Deuteranopia (green-blind)

#7F7336

Tritanopia (blue-blind)

#6C756B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #677b31;
/* rgb */ color: rgb(103, 123, 49);
/* oklch */ color: oklch(55.0% 0.103 122.5);

Tailwind

colors: {
  custom: {
    50: '#94a16c',
    500: '#677b31',
    950: '#000000',
  },
}

SCSS

$custom: #677b31;
$custom-light: #94a16c;
$custom-dark: #000000;

JSON

{
  "hex": "#677b31",
  "rgb": {
    "r": 103,
    "g": 123,
    "b": 49
  },
  "hsl": {
    "h": 76.216,
    "s": 43.023,
    "l": 33.725
  },
  "oklch": {
    "l": 0.55024,
    "c": 0.10271,
    "h": 122.5
  },
  "luminance": 0.17271
}

Semantic roles & 50–950 ramp

primary

#677B31

secondary

#735FA9

accent

#55D377

background

#F9F9F6

surface

#F2F2EB

border

#CCCCC6

text

#0D0F07

muted

#7E7E7A

Preview Lab

Preview with #677B31

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

Preview Lab → · Contrast checker → · Palette generator →