#678D18#678D18

#678D18 is a mid, vivid yellow-green. Relative luminance 0.220; OKLCH L 59.4% C 0.144 H 127.0°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#678D18
RGB	rgb(103, 141, 24)
HSL	hsl(79, 71%, 32%)
HSV	hsv(79, 83%, 55%)
CMYK	cmyk(27%, 0%, 83%, 44.7%)
CIE-LAB	lab(54.03, -29.94, 52.60)
CIE-LCH	lch(54.03, 60.53, 119.65°)
OKLab	oklab(59.36% -0.0866 0.1151)
OKLCH	oklch(59.36% 0.144 127)
XYZ	xyz(15.2833, 21.9990, 4.3050)
Luminance	0.2200 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678D18 #3E188D

analogous

#8D7818 #678D18 #2D8D18

triadic

#678D18 #18678D #8D1867

tetradic

#678D18 #188D78 #3E188D #8D182D

square

#678D18 #188D78 #3E188D #8D182D

split-complementary

#678D18 #182D8D #78188D

monochromatic

#1B2406 #41590F #678D18 #8DC121 #ABDF41

Accessibility & contrast

On white

3.89

#678D18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#678D18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678D18

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678D18	#FFFFFF	#000000	##000000
##678D18	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#908025

Tritanopia (blue-blind)

#6B8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #678d18;
/* rgb */ color: rgb(103, 141, 24);
/* oklch */ color: oklch(59.4% 0.144 127.0);

Tailwind

colors: {
  custom: {
    50: '#96ae61',
    500: '#678d18',
    950: '#000000',
  },
}

SCSS

$custom: #678d18;
$custom-light: #96ae61;
$custom-dark: #000000;

JSON

{
  "hex": "#678d18",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 24
  },
  "hsl": {
    "h": 79.487,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.59356,
    "c": 0.14405,
    "h": 127
  },
  "luminance": 0.21999
}

Semantic roles & 50–950 ramp

primary

#678D18

secondary

#6A42BF

accent

#3AEE74

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1005

muted

#7E7F7A

Preview Lab

Preview with #678D18

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

Preview Lab → · Contrast checker → · Palette generator →