#668C28#668C28

#668C28 is a mid, vivid yellow-green. Relative luminance 0.217; OKLCH L 59.1% C 0.134 H 128.1°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#668C28
RGB	rgb(102, 140, 40)
HSL	hsl(83, 56%, 35%)
HSV	hsv(83, 71%, 55%)
CMYK	cmyk(27.1%, 0%, 71.4%, 45.1%)
CIE-LAB	lab(53.74, -28.98, 46.77)
CIE-LCH	lch(53.74, 55.02, 121.78°)
OKLab	oklab(59.14% -0.0827 0.1055)
OKLCH	oklch(59.14% 0.134 128.1)
XYZ	xyz(15.2406, 21.7338, 5.3992)
Luminance	0.2173 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668C28 #4E288C

analogous

#8C8028 #668C28 #348C28

triadic

#668C28 #28668C #8C2866

tetradic

#668C28 #288C80 #4E288C #8C2834

square

#668C28 #288C80 #4E288C #8C2834

split-complementary

#668C28 #28348C #80288C

monochromatic

#212D0D #435C1A #668C28 #89BC36 #A5D15E

Accessibility & contrast

On white

3.93

#668C28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#668C28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668C28

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668C28	#FFFFFF	#000000	##000000
##668C28	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938218

Deuteranopia (green-blind)

#8E8031

Tritanopia (blue-blind)

#6A8678

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #668c28;
/* rgb */ color: rgb(102, 140, 40);
/* oklch */ color: oklch(59.1% 0.134 128.1);

Tailwind

colors: {
  custom: {
    50: '#95ad68',
    500: '#668c28',
    950: '#000000',
  },
}

SCSS

$custom: #668c28;
$custom-light: #95ad68;
$custom-dark: #000000;

JSON

{
  "hex": "#668c28",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 40
  },
  "hsl": {
    "h": 82.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.5914,
    "c": 0.13403,
    "h": 128.1
  },
  "luminance": 0.21734
}

Semantic roles & 50–950 ramp

primary

#668C28

secondary

#7D5AB6

accent

#49DF82

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668C28

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

Preview Lab → · Contrast checker → · Palette generator →