#688F18#688F18

#688F18 is a mid, vivid yellow-green. Relative luminance 0.227; OKLCH L 59.9% C 0.146 H 127.1°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#688F18
RGB	rgb(104, 143, 24)
HSL	hsl(80, 71%, 33%)
HSV	hsv(80, 83%, 56%)
CMYK	cmyk(27.3%, 0%, 83.2%, 43.9%)
CIE-LAB	lab(54.71, -30.48, 53.24)
CIE-LCH	lch(54.71, 61.35, 119.79°)
OKLab	oklab(59.93% -0.0882 0.1164)
OKLCH	oklch(59.93% 0.146 127.1)
XYZ	xyz(15.6963, 22.6536, 4.4096)
Luminance	0.2265 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688F18 #3F188F

analogous

#8F7A18 #688F18 #2C8F18

triadic

#688F18 #18688F #8F1868

tetradic

#688F18 #188F7A #3F188F #8F182C

square

#688F18 #188F7A #3F188F #8F182C

split-complementary

#688F18 #182C8F #7A188F

monochromatic

#1C2606 #425B0F #688F18 #8EC321 #ACDF42

Accessibility & contrast

On white

3.80

#688F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#688F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688F18

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688F18	#FFFFFF	#000000	##000000
##688F18	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978500

Deuteranopia (green-blind)

#918226

Tritanopia (blue-blind)

#6C887A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #688f18;
/* rgb */ color: rgb(104, 143, 24);
/* oklch */ color: oklch(59.9% 0.146 127.1);

Tailwind

colors: {
  custom: {
    50: '#97b061',
    500: '#688f18',
    950: '#000000',
  },
}

SCSS

$custom: #688f18;
$custom-light: #97b061;
$custom-dark: #000000;

JSON

{
  "hex": "#688f18",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 24
  },
  "hsl": {
    "h": 79.664,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.59932,
    "c": 0.14603,
    "h": 127.1
  },
  "luminance": 0.22654
}

Semantic roles & 50–950 ramp

primary

#688F18

secondary

#6C43C0

accent

#3AEE75

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1005

muted

#7E7F7A

Preview Lab

Preview with #688F18

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

Preview Lab → · Contrast checker → · Palette generator →