#677D18#677D18

#677D18 is a mid, vivid yellow-green. Relative luminance 0.176; OKLCH L 55.3% C 0.124 H 121.7°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#677D18
RGB	rgb(103, 125, 24)
HSL	hsl(73, 68%, 29%)
HSV	hsv(73, 81%, 49%)
CMYK	cmyk(17.6%, 0%, 80.8%, 51%)
CIE-LAB	lab(49.03, -22.07, 48.08)
CIE-LCH	lch(49.03, 52.90, 114.66°)
OKLab	oklab(55.31% -0.0652 0.1055)
OKLCH	oklch(55.31% 0.124 121.7)
XYZ	xyz(13.0922, 17.6167, 3.5746)
Luminance	0.1762 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677D18 #2E187D

analogous

#7D6118 #677D18 #357D18

triadic

#677D18 #18677D #7D1867

tetradic

#677D18 #187D61 #2E187D #7D1835

square

#677D18 #187D61 #2E187D #7D1835

split-complementary

#677D18 #18357D #61187D

monochromatic

#151A05 #3D4A0E #677D18 #91B022 #B5D937

Accessibility & contrast

On white

4.64

#677D18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#677D18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #677D18

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677D18	#FFFFFF	#000000	##FFFFFF
##677D18	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857500

Deuteranopia (green-blind)

#827522

Tritanopia (blue-blind)

#6D766A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #677d18;
/* rgb */ color: rgb(103, 125, 24);
/* oklch */ color: oklch(55.3% 0.124 121.7);

Tailwind

colors: {
  custom: {
    50: '#96a25f',
    500: '#677d18',
    950: '#000000',
  },
}

SCSS

$custom: #677d18;
$custom-light: #96a25f;
$custom-dark: #000000;

JSON

{
  "hex": "#677d18",
  "rgb": {
    "r": 103,
    "g": 125,
    "b": 24
  },
  "hsl": {
    "h": 73.069,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.55308,
    "c": 0.12403,
    "h": 121.7
  },
  "luminance": 0.17617
}

Semantic roles & 50–950 ramp

primary

#677D18

secondary

#583FB2

accent

#3DEB63

background

#F9FAF5

surface

#F2F3EA

border

#CCCDC6

text

#0E0F05

muted

#7E7F79

Preview Lab

Preview with #677D18

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

Preview Lab → · Contrast checker → · Palette generator →