#668F1C#668F1C

#668F1C is a mid, vivid yellow-green. Relative luminance 0.226; OKLCH L 59.8% C 0.145 H 128.0°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#668F1C
RGB	rgb(102, 143, 28)
HSL	hsl(81, 67%, 34%)
HSV	hsv(81, 80%, 56%)
CMYK	cmyk(28.7%, 0%, 80.4%, 43.9%)
CIE-LAB	lab(54.61, -31.11, 51.91)
CIE-LCH	lch(54.61, 60.52, 120.93°)
OKLab	oklab(59.82% -0.0895 0.1143)
OKLCH	oklch(59.82% 0.145 128)
XYZ	xyz(15.5116, 22.5532, 4.6343)
Luminance	0.2255 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668F1C #451C8F

analogous

#8F7E1C #668F1C #2D8F1C

triadic

#668F1C #1C668F #8F1C66

tetradic

#668F1C #1C8F7E #451C8F #8F1C2D

square

#668F1C #1C8F7E #451C8F #8F1C2D

split-complementary

#668F1C #1C2D8F #7E1C8F

monochromatic

#1D2908 #415C12 #668F1C #8BC226 #A8DC4A

Accessibility & contrast

On white

3.81

#668F1C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#668F1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668F1C

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668F1C	#FFFFFF	#000000	##000000
##668F1C	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968400

Deuteranopia (green-blind)

#918228

Tritanopia (blue-blind)

#6A887A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #668f1c;
/* rgb */ color: rgb(102, 143, 28);
/* oklch */ color: oklch(59.8% 0.145 128.0);

Tailwind

colors: {
  custom: {
    50: '#96b063',
    500: '#668f1c',
    950: '#000000',
  },
}

SCSS

$custom: #668f1c;
$custom-light: #96b063;
$custom-dark: #000000;

JSON

{
  "hex": "#668f1c",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 28
  },
  "hsl": {
    "h": 81.391,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.5982,
    "c": 0.14517,
    "h": 128
  },
  "luminance": 0.22554
}

Semantic roles & 50–950 ramp

primary

#668F1C

secondary

#7349BE

accent

#3EEA7B

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668F1C

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

Preview Lab → · Contrast checker → · Palette generator →