#668B37#668B37

#668B37 is a mid, vivid yellow-green. Relative luminance 0.216; OKLCH L 59.0% C 0.121 H 129.4°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#668B37
RGB	rgb(102, 139, 55)
HSL	hsl(86, 43%, 38%)
HSV	hsv(86, 60%, 55%)
CMYK	cmyk(26.6%, 0%, 60.4%, 45.5%)
CIE-LAB	lab(53.56, -27.25, 39.95)
CIE-LCH	lch(53.56, 48.36, 124.30°)
OKLab	oklab(59.04% -0.0766 0.0931)
OKLCH	oklch(59.04% 0.121 129.4)
XYZ	xyz(15.4016, 21.5655, 6.9648)
Luminance	0.2157 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668B37 #5C378B

analogous

#8B8637 #668B37 #3C8B37

triadic

#668B37 #37668B #8B3766

tetradic

#668B37 #378B86 #5C378B #8B373C

square

#668B37 #378B86 #5C378B #8B373C

split-complementary

#668B37 #373C8B #86378B

monochromatic

#263314 #465F26 #668B37 #86B748 #A3C874

Accessibility & contrast

On white

3.95

#668B37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#668B37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668B37

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668B37	#FFFFFF	#000000	##000000
##668B37	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91822E

Deuteranopia (green-blind)

#8C7F3D

Tritanopia (blue-blind)

#698579

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #668b37;
/* rgb */ color: rgb(102, 139, 55);
/* oklch */ color: oklch(59.0% 0.121 129.4);

Tailwind

colors: {
  custom: {
    50: '#94ad71',
    500: '#668b37',
    950: '#000000',
  },
}

SCSS

$custom: #668b37;
$custom-light: #94ad71;
$custom-dark: #000000;

JSON

{
  "hex": "#668b37",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 55
  },
  "hsl": {
    "h": 86.429,
    "s": 43.299,
    "l": 38.039
  },
  "oklch": {
    "l": 0.59036,
    "c": 0.12053,
    "h": 129.4
  },
  "luminance": 0.21566
}

Semantic roles & 50–950 ramp

primary

#668B37

secondary

#8B6DB1

accent

#55D38C

background

#F9FAF7

surface

#F2F4ED

border

#CCCEC8

text

#0D1008

muted

#7E7F7B

Preview Lab

Preview with #668B37

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

Preview Lab → · Contrast checker → · Palette generator →