#668A28#668A28

#668A28 is a mid, vivid yellow-green. Relative luminance 0.212; OKLCH L 58.6% C 0.131 H 127.6°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#668A28
RGB	rgb(102, 138, 40)
HSL	hsl(82, 55%, 35%)
HSV	hsv(82, 71%, 54%)
CMYK	cmyk(26.1%, 0%, 71%, 45.9%)
CIE-LAB	lab(53.12, -28.02, 46.13)
CIE-LCH	lch(53.12, 53.97, 121.27°)
OKLab	oklab(58.63% -0.0801 0.1041)
OKLCH	oklch(58.63% 0.131 127.6)
XYZ	xyz(14.9510, 21.1546, 5.3026)
Luminance	0.2115 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668A28 #4C288A

analogous

#8A7D28 #668A28 #358A28

triadic

#668A28 #28668A #8A2866

tetradic

#668A28 #288A7D #4C288A #8A2835

square

#668A28 #288A7D #4C288A #8A2835

split-complementary

#668A28 #28358A #7D288A

monochromatic

#202B0C #435B1A #668A28 #89B936 #A6D05D

Accessibility & contrast

On white

4.01

#668A28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#668A28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668A28

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668A28	#FFFFFF	#000000	##000000
##668A28	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918019

Deuteranopia (green-blind)

#8C7E30

Tritanopia (blue-blind)

#6A8476

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #668a28;
/* rgb */ color: rgb(102, 138, 40);
/* oklch */ color: oklch(58.6% 0.131 127.6);

Tailwind

colors: {
  custom: {
    50: '#95ac68',
    500: '#668a28',
    950: '#000000',
  },
}

SCSS

$custom: #668a28;
$custom-light: #95ac68;
$custom-dark: #000000;

JSON

{
  "hex": "#668a28",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 40
  },
  "hsl": {
    "h": 82.041,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.58633,
    "c": 0.13136,
    "h": 127.6
  },
  "luminance": 0.21155
}

Semantic roles & 50–950 ramp

primary

#668A28

secondary

#7B59B5

accent

#49DE80

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668A28

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

Preview Lab → · Contrast checker → · Palette generator →