#678C28#678C28

#678C28 is a mid, vivid yellow-green. Relative luminance 0.218; OKLCH L 59.2% C 0.134 H 127.7°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#678C28
RGB	rgb(103, 140, 40)
HSL	hsl(82, 56%, 35%)
HSV	hsv(82, 71%, 55%)
CMYK	cmyk(26.4%, 0%, 71.4%, 45.1%)
CIE-LAB	lab(53.81, -28.57, 46.85)
CIE-LCH	lch(53.81, 54.88, 121.38°)
OKLab	oklab(59.21% -0.0817 0.1056)
OKLCH	oklch(59.21% 0.134 127.7)
XYZ	xyz(15.3546, 21.7926, 5.4045)
Luminance	0.2179 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678C28 #4D288C

analogous

#8C7F28 #678C28 #358C28

triadic

#678C28 #28678C #8C2867

tetradic

#678C28 #288C7F #4D288C #8C2835

square

#678C28 #288C7F #4D288C #8C2835

split-complementary

#678C28 #28358C #7F288C

monochromatic

#212D0D #445C1A #678C28 #8ABC36 #A6D15E

Accessibility & contrast

On white

3.92

#678C28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#678C28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678C28

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678C28	#FFFFFF	#000000	##000000
##678C28	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938218

Deuteranopia (green-blind)

#8E8031

Tritanopia (blue-blind)

#6B8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #678c28;
/* rgb */ color: rgb(103, 140, 40);
/* oklch */ color: oklch(59.2% 0.134 127.7);

Tailwind

colors: {
  custom: {
    50: '#96ad68',
    500: '#678c28',
    950: '#000000',
  },
}

SCSS

$custom: #678c28;
$custom-light: #96ad68;
$custom-dark: #000000;

JSON

{
  "hex": "#678c28",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 40
  },
  "hsl": {
    "h": 82.2,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.59208,
    "c": 0.13352,
    "h": 127.7
  },
  "luminance": 0.21793
}

Semantic roles & 50–950 ramp

primary

#678C28

secondary

#7C5AB6

accent

#49DF80

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #678C28

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

Preview Lab → · Contrast checker → · Palette generator →