#668D1F#668D1F

#668D1F is a mid, vivid yellow-green. Relative luminance 0.220; OKLCH L 59.3% C 0.141 H 127.7°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#668D1F
RGB	rgb(102, 141, 31)
HSL	hsl(81, 64%, 34%)
HSV	hsv(81, 78%, 55%)
CMYK	cmyk(27.7%, 0%, 78%, 44.7%)
CIE-LAB	lab(54.00, -30.01, 50.36)
CIE-LCH	lch(54.00, 58.63, 120.79°)
OKLab	oklab(59.33% -0.0863 0.1116)
OKLCH	oklch(59.33% 0.141 127.7)
XYZ	xyz(15.2517, 21.9731, 4.7337)
Luminance	0.2197 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D1F #461F8D

analogous

#8D7D1F #668D1F #2F8D1F

triadic

#668D1F #1F668D #8D1F66

tetradic

#668D1F #1F8D7D #461F8D #8D1F2F

square

#668D1F #1F8D7D #461F8D #8D1F2F

split-complementary

#668D1F #1F2F8D #7D1F8D

monochromatic

#1D2909 #425B14 #668D1F #8ABF2A #A7D84E

Accessibility & contrast

On white

3.89

#668D1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#668D1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D1F

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D1F	#FFFFFF	#000000	##000000
##668D1F	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948304

Deuteranopia (green-blind)

#8F802A

Tritanopia (blue-blind)

#6A8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #668d1f;
/* rgb */ color: rgb(102, 141, 31);
/* oklch */ color: oklch(59.3% 0.141 127.7);

Tailwind

colors: {
  custom: {
    50: '#95ae64',
    500: '#668d1f',
    950: '#000000',
  },
}

SCSS

$custom: #668d1f;
$custom-light: #95ae64;
$custom-dark: #000000;

JSON

{
  "hex": "#668d1f",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 31
  },
  "hsl": {
    "h": 81.273,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.59329,
    "c": 0.14103,
    "h": 127.7
  },
  "luminance": 0.21973
}

Semantic roles & 50–950 ramp

primary

#668D1F

secondary

#744DBB

accent

#41E77C

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668D1F

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

Preview Lab → · Contrast checker → · Palette generator →