#688D18#688D18

#688D18 is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.4% C 0.144 H 126.6°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#688D18
RGB	rgb(104, 141, 24)
HSL	hsl(79, 71%, 32%)
HSV	hsv(79, 83%, 55%)
CMYK	cmyk(26.2%, 0%, 83%, 44.7%)
CIE-LAB	lab(54.09, -29.53, 52.68)
CIE-LCH	lch(54.09, 60.39, 119.28°)
OKLab	oklab(59.42% -0.0856 0.1152)
OKLCH	oklch(59.42% 0.144 126.6)
XYZ	xyz(15.3988, 22.0585, 4.3104)
Luminance	0.2206 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688D18 #3D188D

analogous

#8D7718 #688D18 #2E8D18

triadic

#688D18 #18688D #8D1868

tetradic

#688D18 #188D77 #3D188D #8D182E

square

#688D18 #188D77 #3D188D #8D182E

split-complementary

#688D18 #182E8D #77188D

monochromatic

#1B2406 #41590F #688D18 #8FC121 #ADDF41

Accessibility & contrast

On white

3.88

#688D18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#688D18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688D18

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688D18	#FFFFFF	#000000	##000000
##688D18	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#908125

Tritanopia (blue-blind)

#6D8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #688d18;
/* rgb */ color: rgb(104, 141, 24);
/* oklch */ color: oklch(59.4% 0.144 126.6);

Tailwind

colors: {
  custom: {
    50: '#97ae61',
    500: '#688d18',
    950: '#000000',
  },
}

SCSS

$custom: #688d18;
$custom-light: #97ae61;
$custom-dark: #000000;

JSON

{
  "hex": "#688d18",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 24
  },
  "hsl": {
    "h": 78.974,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.59424,
    "c": 0.14354,
    "h": 126.6
  },
  "luminance": 0.22059
}

Semantic roles & 50–950 ramp

primary

#688D18

secondary

#6942BF

accent

#3AEE73

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1005

muted

#7E7F7A

Preview Lab

Preview with #688D18

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

Preview Lab → · Contrast checker → · Palette generator →