#677C18#677C18

#677C18 is a mid, vivid yellow-green. Relative luminance 0.174; OKLCH L 55.1% C 0.123 H 121.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#677C18
RGB	rgb(103, 124, 24)
HSL	hsl(73, 68%, 29%)
HSV	hsv(73, 81%, 49%)
CMYK	cmyk(16.9%, 0%, 80.6%, 51.4%)
CIE-LAB	lab(48.72, -21.56, 47.79)
CIE-LCH	lch(48.72, 52.43, 114.28°)
OKLab	oklab(55.06% -0.0638 0.1049)
OKLCH	oklch(55.06% 0.123 121.3)
XYZ	xyz(12.9663, 17.3648, 3.5326)
Luminance	0.1736 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#677C18 #2D187C

analogous

#7C5F18 #677C18 #357C18

triadic

#677C18 #18677C #7C1867

tetradic

#677C18 #187C5F #2D187C #7C1835

square

#677C18 #187C5F #2D187C #7C1835

split-complementary

#677C18 #18357C #5F187C

monochromatic

#151A05 #3C490E #677C18 #92AF22 #B6D836

Accessibility & contrast

On white

4.69

#677C18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#677C18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #677C18

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##677C18	#FFFFFF	#000000	##FFFFFF
##677C18	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#817422

Tritanopia (blue-blind)

#6D756A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #677c18;
/* rgb */ color: rgb(103, 124, 24);
/* oklch */ color: oklch(55.1% 0.123 121.3);

Tailwind

colors: {
  custom: {
    50: '#96a25e',
    500: '#677c18',
    950: '#000000',
  },
}

SCSS

$custom: #677c18;
$custom-light: #96a25e;
$custom-dark: #000000;

JSON

{
  "hex": "#677c18",
  "rgb": {
    "r": 103,
    "g": 124,
    "b": 24
  },
  "hsl": {
    "h": 72.6,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.55056,
    "c": 0.12279,
    "h": 121.3
  },
  "luminance": 0.17365
}

Semantic roles & 50–950 ramp

primary

#677C18

secondary

#573FB1

accent

#3DEA62

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0E0F05

muted

#7E7E79

Preview Lab

Preview with #677C18

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

Preview Lab → · Contrast checker → · Palette generator →