#668F1B#668F1B

#668F1B is a mid, vivid yellow-green. Relative luminance 0.225; OKLCH L 59.8% C 0.146 H 128.0°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#668F1B
RGB	rgb(102, 143, 27)
HSL	hsl(81, 68%, 33%)
HSV	hsv(81, 81%, 56%)
CMYK	cmyk(28.7%, 0%, 81.1%, 43.9%)
CIE-LAB	lab(54.60, -31.16, 52.21)
CIE-LCH	lch(54.60, 60.80, 120.83°)
OKLab	oklab(59.82% -0.0897 0.1148)
OKLCH	oklch(59.82% 0.146 128)
XYZ	xyz(15.4998, 22.5485, 4.5724)
Luminance	0.2255 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668F1B #441B8F

analogous

#8F7E1B #668F1B #2C8F1B

triadic

#668F1B #1B668F #8F1B66

tetradic

#668F1B #1B8F7E #441B8F #8F1B2C

square

#668F1B #1B8F7E #441B8F #8F1B2C

split-complementary

#668F1B #1B2C8F #7E1B8F

monochromatic

#1D2808 #415C11 #668F1B #8BC225 #A8DC48

Accessibility & contrast

On white

3.81

#668F1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#668F1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668F1B

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668F1B	#FFFFFF	#000000	##000000
##668F1B	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: #668f1b;
/* rgb */ color: rgb(102, 143, 27);
/* oklch */ color: oklch(59.8% 0.146 128.0);

Tailwind

colors: {
  custom: {
    50: '#96b062',
    500: '#668f1b',
    950: '#000000',
  },
}

SCSS

$custom: #668f1b;
$custom-light: #96b062;
$custom-dark: #000000;

JSON

{
  "hex": "#668f1b",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 27
  },
  "hsl": {
    "h": 81.207,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.59815,
    "c": 0.14566,
    "h": 128
  },
  "luminance": 0.22549
}

Semantic roles & 50–950 ramp

primary

#668F1B

secondary

#7248BE

accent

#3DEB7A

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668F1B

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

Preview Lab → · Contrast checker → · Palette generator →