#678B1F#678B1F

#678B1F is a mid, vivid yellow-green. Relative luminance 0.214; OKLCH L 58.9% C 0.138 H 126.8°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#678B1F
RGB	rgb(103, 139, 31)
HSL	hsl(80, 64%, 33%)
HSV	hsv(80, 78%, 55%)
CMYK	cmyk(25.9%, 0%, 77.7%, 45.5%)
CIE-LAB	lab(53.44, -28.65, 49.85)
CIE-LCH	lch(53.44, 57.50, 119.89°)
OKLab	oklab(58.89% -0.0826 0.1105)
OKLCH	oklch(58.89% 0.138 126.8)
XYZ	xyz(15.0735, 21.4475, 4.6417)
Luminance	0.2145 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678B1F #431F8B

analogous

#8B791F #678B1F #318B1F

triadic

#678B1F #1F678B #8B1F67

tetradic

#678B1F #1F8B79 #431F8B #8B1F31

square

#678B1F #1F8B79 #431F8B #8B1F31

split-complementary

#678B1F #1F318B #791F8B

monochromatic

#1D2709 #425914 #678B1F #8CBD2A #A9D74D

Accessibility & contrast

On white

3.97

#678B1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#678B1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678B1F

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678B1F	#FFFFFF	#000000	##000000
##678B1F	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938105

Deuteranopia (green-blind)

#8E7F2A

Tritanopia (blue-blind)

#6B8477

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #678b1f;
/* rgb */ color: rgb(103, 139, 31);
/* oklch */ color: oklch(58.9% 0.138 126.8);

Tailwind

colors: {
  custom: {
    50: '#96ad64',
    500: '#678b1f',
    950: '#000000',
  },
}

SCSS

$custom: #678b1f;
$custom-light: #96ad64;
$custom-dark: #000000;

JSON

{
  "hex": "#678b1f",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 31
  },
  "hsl": {
    "h": 80,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.58889,
    "c": 0.13794,
    "h": 126.8
  },
  "luminance": 0.21448
}

Semantic roles & 50–950 ramp

primary

#678B1F

secondary

#714CBA

accent

#41E778

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #678B1F

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

Preview Lab → · Contrast checker → · Palette generator →