#668F18#668F18

#668F18 is a mid, vivid yellow-green. Relative luminance 0.225; OKLCH L 59.8% C 0.147 H 127.8°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#668F18
RGB	rgb(102, 143, 24)
HSL	hsl(81, 71%, 33%)
HSV	hsv(81, 83%, 56%)
CMYK	cmyk(28.7%, 0%, 83.2%, 43.9%)
CIE-LAB	lab(54.59, -31.29, 53.08)
CIE-LCH	lch(54.59, 61.62, 120.52°)
OKLab	oklab(59.8% -0.0902 0.1161)
OKLCH	oklch(59.8% 0.147 127.8)
XYZ	xyz(15.4669, 22.5353, 4.3988)
Luminance	0.2254 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668F18 #41188F

analogous

#8F7C18 #668F18 #2B8F18

triadic

#668F18 #18668F #8F1866

tetradic

#668F18 #188F7C #41188F #8F182B

square

#668F18 #188F7C #41188F #8F182B

split-complementary

#668F18 #182B8F #7C188F

monochromatic

#1B2606 #415B0F #668F18 #8BC321 #A9DF42

Accessibility & contrast

On white

3.81

#668F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#668F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668F18

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668F18	#FFFFFF	#000000	##000000
##668F18	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978400

Deuteranopia (green-blind)

#918226

Tritanopia (blue-blind)

#6A887A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #668f18;
/* rgb */ color: rgb(102, 143, 24);
/* oklch */ color: oklch(59.8% 0.147 127.8);

Tailwind

colors: {
  custom: {
    50: '#96b061',
    500: '#668f18',
    950: '#000000',
  },
}

SCSS

$custom: #668f18;
$custom-light: #96b061;
$custom-dark: #000000;

JSON

{
  "hex": "#668f18",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 24
  },
  "hsl": {
    "h": 80.672,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.59799,
    "c": 0.14707,
    "h": 127.8
  },
  "luminance": 0.22536
}

Semantic roles & 50–950 ramp

primary

#668F18

secondary

#6E43C0

accent

#3AEE78

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1005

muted

#7E7F7A

Preview Lab

Preview with #668F18

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

Preview Lab → · Contrast checker → · Palette generator →