#678F18#678F18

#678F18 is a mid, vivid yellow-green. Relative luminance 0.226; OKLCH L 59.9% C 0.147 H 127.5°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#678F18
RGB	rgb(103, 143, 24)
HSL	hsl(80, 71%, 33%)
HSV	hsv(80, 83%, 56%)
CMYK	cmyk(28%, 0%, 83.2%, 43.9%)
CIE-LAB	lab(54.65, -30.89, 53.16)
CIE-LCH	lch(54.65, 61.48, 120.16°)
OKLab	oklab(59.87% -0.0892 0.1163)
OKLCH	oklch(59.87% 0.147 127.5)
XYZ	xyz(15.5809, 22.5941, 4.4042)
Luminance	0.2259 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678F18 #40188F

analogous

#8F7B18 #678F18 #2C8F18

triadic

#678F18 #18678F #8F1867

tetradic

#678F18 #188F7B #40188F #8F182C

square

#678F18 #188F7B #40188F #8F182C

split-complementary

#678F18 #182C8F #7B188F

monochromatic

#1C2606 #415B0F #678F18 #8DC321 #AADF42

Accessibility & contrast

On white

3.81

#678F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#678F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678F18

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678F18	#FFFFFF	#000000	##000000
##678F18	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978400

Deuteranopia (green-blind)

#918226

Tritanopia (blue-blind)

#6B887A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #678f18;
/* rgb */ color: rgb(103, 143, 24);
/* oklch */ color: oklch(59.9% 0.147 127.5);

Tailwind

colors: {
  custom: {
    50: '#96b061',
    500: '#678f18',
    950: '#000000',
  },
}

SCSS

$custom: #678f18;
$custom-light: #96b061;
$custom-dark: #000000;

JSON

{
  "hex": "#678f18",
  "rgb": {
    "r": 103,
    "g": 143,
    "b": 24
  },
  "hsl": {
    "h": 80.168,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.59865,
    "c": 0.14654,
    "h": 127.5
  },
  "luminance": 0.22594
}

Semantic roles & 50–950 ramp

primary

#678F18

secondary

#6D43C0

accent

#3AEE76

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1005

muted

#7E7F7A

Preview Lab

Preview with #678F18

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

Preview Lab → · Contrast checker → · Palette generator →