#678B28#678B28

#678B28 is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 59.0% C 0.132 H 127.4°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#678B28
RGB	rgb(103, 139, 40)
HSL	hsl(82, 55%, 35%)
HSV	hsv(82, 71%, 55%)
CMYK	cmyk(25.9%, 0%, 71.2%, 45.5%)
CIE-LAB	lab(53.49, -28.09, 46.54)
CIE-LCH	lch(53.49, 54.36, 121.12°)
OKLab	oklab(58.96% -0.0803 0.105)
OKLCH	oklch(58.96% 0.132 127.4)
XYZ	xyz(15.2092, 21.5017, 5.3560)
Luminance	0.2150 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678B28 #4C288B

analogous

#8B7D28 #678B28 #368B28

triadic

#678B28 #28678B #8B2867

tetradic

#678B28 #288B7D #4C288B #8B2836

square

#678B28 #288B7D #4C288B #8B2836

split-complementary

#678B28 #28368B #7D288B

monochromatic

#212C0D #445B1A #678B28 #8ABB36 #A6D05D

Accessibility & contrast

On white

3.96

#678B28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#678B28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678B28

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678B28	#FFFFFF	#000000	##000000
##678B28	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928118

Deuteranopia (green-blind)

#8D7F30

Tritanopia (blue-blind)

#6B8577

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #678b28;
/* rgb */ color: rgb(103, 139, 40);
/* oklch */ color: oklch(59.0% 0.132 127.4);

Tailwind

colors: {
  custom: {
    50: '#96ad68',
    500: '#678b28',
    950: '#000000',
  },
}

SCSS

$custom: #678b28;
$custom-light: #96ad68;
$custom-dark: #000000;

JSON

{
  "hex": "#678b28",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 40
  },
  "hsl": {
    "h": 81.818,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.58955,
    "c": 0.13219,
    "h": 127.4
  },
  "luminance": 0.21502
}

Semantic roles & 50–950 ramp

primary

#678B28

secondary

#7B59B6

accent

#49DF80

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #678B28

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

Preview Lab → · Contrast checker → · Palette generator →