#668E31#668E31

#668E31 is a mid, vivid yellow-green. Relative luminance 0.224; OKLCH L 59.7% C 0.130 H 129.5°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#668E31
RGB	rgb(102, 142, 49)
HSL	hsl(86, 49%, 37%)
HSV	hsv(86, 65%, 56%)
CMYK	cmyk(28.2%, 0%, 65.5%, 44.3%)
CIE-LAB	lab(54.44, -29.24, 43.69)
CIE-LCH	lch(54.44, 52.57, 123.80°)
OKLab	oklab(59.73% -0.0826 0.1003)
OKLCH	oklch(59.73% 0.13 129.5)
XYZ	xyz(15.7068, 22.3921, 6.3997)
Luminance	0.2239 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668E31 #59318E

analogous

#8E8731 #668E31 #388E31

triadic

#668E31 #31668E #8E3166

tetradic

#668E31 #318E87 #59318E #8E3138

square

#668E31 #318E87 #59318E #8E3138

split-complementary

#668E31 #31388E #87318E

monochromatic

#253312 #456121 #668E31 #87BB41 #A3CD6D

Accessibility & contrast

On white

3.83

#668E31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#668E31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668E31

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668E31	#FFFFFF	#000000	##000000
##668E31	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958425

Deuteranopia (green-blind)

#8F8138

Tritanopia (blue-blind)

#69887B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #668e31;
/* rgb */ color: rgb(102, 142, 49);
/* oklch */ color: oklch(59.7% 0.130 129.5);

Tailwind

colors: {
  custom: {
    50: '#95af6e',
    500: '#668e31',
    950: '#000000',
  },
}

SCSS

$custom: #668e31;
$custom-light: #95af6e;
$custom-dark: #000000;

JSON

{
  "hex": "#668e31",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 49
  },
  "hsl": {
    "h": 85.806,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.59729,
    "c": 0.12994,
    "h": 129.5
  },
  "luminance": 0.22393
}

Semantic roles & 50–950 ramp

primary

#668E31

secondary

#8867B4

accent

#50D88A

background

#F9FAF6

surface

#F2F4EC

border

#CCCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #668E31

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

Preview Lab → · Contrast checker → · Palette generator →