#678A28#678A28

#678A28 is a mid, vivid yellow-green. Relative luminance 0.212; OKLCH L 58.7% C 0.131 H 127.1°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#678A28
RGB	rgb(103, 138, 40)
HSL	hsl(81, 55%, 35%)
HSV	hsv(81, 71%, 54%)
CMYK	cmyk(25.4%, 0%, 71%, 45.9%)
CIE-LAB	lab(53.18, -27.61, 46.22)
CIE-LCH	lch(53.18, 53.84, 120.85°)
OKLab	oklab(58.7% -0.079 0.1043)
OKLCH	oklch(58.7% 0.131 127.1)
XYZ	xyz(15.0650, 21.2134, 5.3080)
Luminance	0.2121 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678A28 #4B288A

analogous

#8A7C28 #678A28 #368A28

triadic

#678A28 #28678A #8A2867

tetradic

#678A28 #288A7C #4B288A #8A2836

square

#678A28 #288A7C #4B288A #8A2836

split-complementary

#678A28 #28368A #7C288A

monochromatic

#202B0C #445B1A #678A28 #8AB936 #A7D05D

Accessibility & contrast

On white

4.01

#678A28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#678A28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678A28

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678A28	#FFFFFF	#000000	##000000
##678A28	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918019

Deuteranopia (green-blind)

#8C7E30

Tritanopia (blue-blind)

#6B8476

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #678a28;
/* rgb */ color: rgb(103, 138, 40);
/* oklch */ color: oklch(58.7% 0.131 127.1);

Tailwind

colors: {
  custom: {
    50: '#95ac68',
    500: '#678a28',
    950: '#000000',
  },
}

SCSS

$custom: #678a28;
$custom-light: #95ac68;
$custom-dark: #000000;

JSON

{
  "hex": "#678a28",
  "rgb": {
    "r": 103,
    "g": 138,
    "b": 40
  },
  "hsl": {
    "h": 81.429,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.58702,
    "c": 0.13085,
    "h": 127.1
  },
  "luminance": 0.21214
}

Semantic roles & 50–950 ramp

primary

#678A28

secondary

#7A59B5

accent

#49DE7F

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #678A28

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

Preview Lab → · Contrast checker → · Palette generator →