#668F33#668F33

#668F33 is a mid, vivid yellow-green. Relative luminance 0.227; OKLCH L 60.0% C 0.130 H 130.0°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#668F33
RGB	rgb(102, 143, 51)
HSL	hsl(87, 47%, 38%)
HSV	hsv(87, 64%, 56%)
CMYK	cmyk(28.7%, 0%, 64.3%, 43.9%)
CIE-LAB	lab(54.77, -29.55, 43.15)
CIE-LCH	lch(54.77, 52.30, 124.40°)
OKLab	oklab(60% -0.0833 0.0994)
OKLCH	oklch(60% 0.13 130)
XYZ	xyz(15.8994, 22.7083, 6.6768)
Luminance	0.2271 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668F33 #5C338F

analogous

#8F8A33 #668F33 #388F33

triadic

#668F33 #33668F #8F3366

tetradic

#668F33 #338F8A #5C338F #8F3338

square

#668F33 #338F8A #5C338F #8F3338

split-complementary

#668F33 #33388F #8A338F

monochromatic

#263513 #466223 #668F33 #86BC43 #A3CC70

Accessibility & contrast

On white

3.79

#668F33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#668F33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668F33

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668F33	#FFFFFF	#000000	##000000
##668F33	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958528

Deuteranopia (green-blind)

#90823A

Tritanopia (blue-blind)

#68897C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #668f33;
/* rgb */ color: rgb(102, 143, 51);
/* oklch */ color: oklch(60.0% 0.130 130.0);

Tailwind

colors: {
  custom: {
    50: '#95b06f',
    500: '#668f33',
    950: '#000000',
  },
}

SCSS

$custom: #668f33;
$custom-light: #95b06f;
$custom-dark: #000000;

JSON

{
  "hex": "#668f33",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 51
  },
  "hsl": {
    "h": 86.739,
    "s": 47.423,
    "l": 38.039
  },
  "oklch": {
    "l": 0.60003,
    "c": 0.12968,
    "h": 130
  },
  "luminance": 0.22709
}

Semantic roles & 50–950 ramp

primary

#668F33

secondary

#8B6AB4

accent

#51D78D

background

#F9FAF6

surface

#F2F4EC

border

#CCCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #668F33

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

Preview Lab → · Contrast checker → · Palette generator →