#668B23#668B23

#668B23 is a mid, vivid yellow-green. Relative luminance 0.214; OKLCH L 58.8% C 0.136 H 127.4°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#668B23
RGB	rgb(102, 139, 35)
HSL	hsl(81, 60%, 34%)
HSV	hsv(81, 75%, 55%)
CMYK	cmyk(26.6%, 0%, 74.8%, 45.5%)
CIE-LAB	lab(53.40, -28.83, 48.36)
CIE-LCH	lch(53.40, 56.30, 120.80°)
OKLab	oklab(58.85% -0.0827 0.108)
OKLCH	oklch(58.85% 0.136 127.4)
XYZ	xyz(15.0155, 21.4111, 4.9314)
Luminance	0.2141 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668B23 #48238B

analogous

#8B7C23 #668B23 #328B23

triadic

#668B23 #23668B #8B2366

tetradic

#668B23 #238B7C #48238B #8B2332

square

#668B23 #238B7C #48238B #8B2332

split-complementary

#668B23 #23328B #7C238B

monochromatic

#1E290A #425A17 #668B23 #8ABC2F #A7D454

Accessibility & contrast

On white

3.98

#668B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#668B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668B23

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668B23	#FFFFFF	#000000	##000000
##668B23	1.00	3.98	5.28	5.28
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92810F

Deuteranopia (green-blind)

#8D7F2D

Tritanopia (blue-blind)

#6A8477

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #668b23;
/* rgb */ color: rgb(102, 139, 35);
/* oklch */ color: oklch(58.8% 0.136 127.4);

Tailwind

colors: {
  custom: {
    50: '#95ad66',
    500: '#668b23',
    950: '#000000',
  },
}

SCSS

$custom: #668b23;
$custom-light: #95ad66;
$custom-dark: #000000;

JSON

{
  "hex": "#668b23",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 35
  },
  "hsl": {
    "h": 81.346,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.58848,
    "c": 0.13605,
    "h": 127.4
  },
  "luminance": 0.21411
}

Semantic roles & 50–950 ramp

primary

#668B23

secondary

#7652B8

accent

#45E37D

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668B23

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

Preview Lab → · Contrast checker → · Palette generator →