#668C1F#668C1F

#668C1F is a mid, vivid yellow-green. Relative luminance 0.217; OKLCH L 59.1% C 0.140 H 127.5°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#668C1F
RGB	rgb(102, 140, 31)
HSL	hsl(81, 64%, 34%)
HSV	hsv(81, 78%, 55%)
CMYK	cmyk(27.1%, 0%, 77.9%, 45.1%)
CIE-LAB	lab(53.69, -29.54, 50.07)
CIE-LCH	lch(53.69, 58.13, 120.54°)
OKLab	oklab(59.08% -0.085 0.1109)
OKLCH	oklch(59.08% 0.14 127.5)
XYZ	xyz(15.1049, 21.6796, 4.6848)
Luminance	0.2168 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668C1F #451F8C

analogous

#8C7B1F #668C1F #308C1F

triadic

#668C1F #1F668C #8C1F66

tetradic

#668C1F #1F8C7B #451F8C #8C1F30

square

#668C1F #1F8C7B #451F8C #8C1F30

split-complementary

#668C1F #1F308C #7B1F8C

monochromatic

#1D2809 #415A14 #668C1F #8BBE2A #A8D84E

Accessibility & contrast

On white

3.94

#668C1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#668C1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668C1F

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668C1F	#FFFFFF	#000000	##000000
##668C1F	1.00	3.94	5.34	5.34
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938204

Deuteranopia (green-blind)

#8E802A

Tritanopia (blue-blind)

#6A8577

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #668c1f;
/* rgb */ color: rgb(102, 140, 31);
/* oklch */ color: oklch(59.1% 0.140 127.5);

Tailwind

colors: {
  custom: {
    50: '#95ad64',
    500: '#668c1f',
    950: '#000000',
  },
}

SCSS

$custom: #668c1f;
$custom-light: #95ad64;
$custom-dark: #000000;

JSON

{
  "hex": "#668c1f",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 31
  },
  "hsl": {
    "h": 80.917,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.59075,
    "c": 0.13975,
    "h": 127.5
  },
  "luminance": 0.2168
}

Semantic roles & 50–950 ramp

primary

#668C1F

secondary

#734CBB

accent

#41E77B

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668C1F

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

Preview Lab → · Contrast checker → · Palette generator →