#668B28#668B28

#668B28 is a mid, vivid yellow-green. Relative luminance 0.214; OKLCH L 58.9% C 0.133 H 127.8°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#668B28
RGB	rgb(102, 139, 40)
HSL	hsl(82, 55%, 35%)
HSV	hsv(82, 71%, 55%)
CMYK	cmyk(26.6%, 0%, 71.2%, 45.5%)
CIE-LAB	lab(53.43, -28.50, 46.45)
CIE-LCH	lch(53.43, 54.50, 121.53°)
OKLab	oklab(58.89% -0.0814 0.1048)
OKLCH	oklch(58.89% 0.133 127.8)
XYZ	xyz(15.0951, 21.4429, 5.3507)
Luminance	0.2144 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668B28 #4D288B

analogous

#8B7E28 #668B28 #358B28

triadic

#668B28 #28668B #8B2866

tetradic

#668B28 #288B7E #4D288B #8B2835

square

#668B28 #288B7E #4D288B #8B2835

split-complementary

#668B28 #28358B #7E288B

monochromatic

#202C0D #435B1A #668B28 #89BB36 #A5D05D

Accessibility & contrast

On white

3.97

#668B28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#668B28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668B28

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668B28	#FFFFFF	#000000	##000000
##668B28	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928118

Deuteranopia (green-blind)

#8D7F30

Tritanopia (blue-blind)

#6A8577

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #668b28;
/* rgb */ color: rgb(102, 139, 40);
/* oklch */ color: oklch(58.9% 0.133 127.8);

Tailwind

colors: {
  custom: {
    50: '#95ad68',
    500: '#668b28',
    950: '#000000',
  },
}

SCSS

$custom: #668b28;
$custom-light: #95ad68;
$custom-dark: #000000;

JSON

{
  "hex": "#668b28",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 40
  },
  "hsl": {
    "h": 82.424,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.58887,
    "c": 0.1327,
    "h": 127.8
  },
  "luminance": 0.21443
}

Semantic roles & 50–950 ramp

primary

#668B28

secondary

#7C59B6

accent

#49DF81

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668B28

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

Preview Lab → · Contrast checker → · Palette generator →