#668F28#668F28

#668F28 is a mid, vivid yellow-green. Relative luminance 0.226; OKLCH L 59.9% C 0.138 H 128.9°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#668F28
RGB	rgb(102, 143, 40)
HSL	hsl(84, 56%, 36%)
HSV	hsv(84, 72%, 56%)
CMYK	cmyk(28.7%, 0%, 72%, 43.9%)
CIE-LAB	lab(54.68, -30.41, 47.72)
CIE-LCH	lch(54.68, 56.59, 122.51°)
OKLab	oklab(59.9% -0.0866 0.1075)
OKLCH	oklch(59.9% 0.138 128.9)
XYZ	xyz(15.6849, 22.6225, 5.5473)
Luminance	0.2262 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668F28 #51288F

analogous

#8F8428 #668F28 #338F28

triadic

#668F28 #28668F #8F2866

tetradic

#668F28 #288F84 #51288F #8F2833

square

#668F28 #288F84 #51288F #8F2833

split-complementary

#668F28 #28338F #84288F

monochromatic

#222F0D #445F1B #668F28 #88BF35 #A4D25F

Accessibility & contrast

On white

3.80

#668F28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#668F28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668F28

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668F28	#FFFFFF	#000000	##000000
##668F28	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968517

Deuteranopia (green-blind)

#908231

Tritanopia (blue-blind)

#69897B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #668f28;
/* rgb */ color: rgb(102, 143, 40);
/* oklch */ color: oklch(59.9% 0.138 128.9);

Tailwind

colors: {
  custom: {
    50: '#95b069',
    500: '#668f28',
    950: '#000000',
  },
}

SCSS

$custom: #668f28;
$custom-light: #95b069;
$custom-dark: #000000;

JSON

{
  "hex": "#668f28",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 40
  },
  "hsl": {
    "h": 83.883,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.59902,
    "c": 0.13803,
    "h": 128.9
  },
  "luminance": 0.22623
}

Semantic roles & 50–950 ramp

primary

#668F28

secondary

#805BB8

accent

#48E084

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1007

muted

#7E7F7A

Preview Lab

Preview with #668F28

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

Preview Lab → · Contrast checker → · Palette generator →