#668D28#668D28

#668D28 is a mid, vivid yellow-green. Relative luminance 0.220; OKLCH L 59.4% C 0.135 H 128.4°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#668D28
RGB	rgb(102, 141, 40)
HSL	hsl(83, 56%, 35%)
HSV	hsv(83, 72%, 55%)
CMYK	cmyk(27.7%, 0%, 71.6%, 44.7%)
CIE-LAB	lab(54.06, -29.46, 47.09)
CIE-LCH	lch(54.06, 55.54, 122.03°)
OKLab	oklab(59.39% -0.084 0.1062)
OKLCH	oklch(59.39% 0.135 128.4)
XYZ	xyz(15.3873, 22.0274, 5.4481)
Luminance	0.2203 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D28 #4F288D

analogous

#8D8128 #668D28 #348D28

triadic

#668D28 #28668D #8D2866

tetradic

#668D28 #288D81 #4F288D #8D2834

square

#668D28 #288D81 #4F288D #8D2834

split-complementary

#668D28 #28348D #81288D

monochromatic

#212E0D #445D1A #668D28 #88BD36 #A5D15E

Accessibility & contrast

On white

3.88

#668D28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#668D28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D28

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D28	#FFFFFF	#000000	##000000
##668D28	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)

#948318

Deuteranopia (green-blind)

#8F8031

Tritanopia (blue-blind)

#698779

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #668d28;
/* rgb */ color: rgb(102, 141, 40);
/* oklch */ color: oklch(59.4% 0.135 128.4);

Tailwind

colors: {
  custom: {
    50: '#95ae68',
    500: '#668d28',
    950: '#000000',
  },
}

SCSS

$custom: #668d28;
$custom-light: #95ae68;
$custom-dark: #000000;

JSON

{
  "hex": "#668d28",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 40
  },
  "hsl": {
    "h": 83.168,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.59394,
    "c": 0.13537,
    "h": 128.4
  },
  "luminance": 0.22028
}

Semantic roles & 50–950 ramp

primary

#668D28

secondary

#7E5AB7

accent

#49DF83

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668D28

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

Preview Lab → · Contrast checker → · Palette generator →