#678B1C#678B1C

#678B1C is a mid, vivid yellow-green. Relative luminance 0.214; OKLCH L 58.9% C 0.140 H 126.6°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#678B1C
RGB	rgb(103, 139, 28)
HSL	hsl(79, 66%, 33%)
HSV	hsv(79, 80%, 55%)
CMYK	cmyk(25.9%, 0%, 79.9%, 45.5%)
CIE-LAB	lab(53.42, -28.81, 50.83)
CIE-LCH	lch(53.42, 58.43, 119.54°)
OKLab	oklab(58.87% -0.0833 0.112)
OKLCH	oklch(58.87% 0.14 126.6)
XYZ	xyz(15.0358, 21.4324, 4.4431)
Luminance	0.2143 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678B1C #401C8B

analogous

#8B771C #678B1C #308B1C

triadic

#678B1C #1C678B #8B1C67

tetradic

#678B1C #1C8B77 #401C8B #8B1C30

square

#678B1C #1C8B77 #401C8B #8B1C30

split-complementary

#678B1C #1C308B #771C8B

monochromatic

#1C2507 #415812 #678B1C #8DBE26 #AADA47

Accessibility & contrast

On white

3.97

#678B1C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#678B1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678B1C

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678B1C	#FFFFFF	#000000	##000000
##678B1C	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)

#938100

Deuteranopia (green-blind)

#8E7F27

Tritanopia (blue-blind)

#6B8476

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #678b1c;
/* rgb */ color: rgb(103, 139, 28);
/* oklch */ color: oklch(58.9% 0.140 126.6);

Tailwind

colors: {
  custom: {
    50: '#96ad62',
    500: '#678b1c',
    950: '#000000',
  },
}

SCSS

$custom: #678b1c;
$custom-light: #96ad62;
$custom-dark: #000000;

JSON

{
  "hex": "#678b1c",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 28
  },
  "hsl": {
    "h": 79.459,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.5887,
    "c": 0.13959,
    "h": 126.6
  },
  "luminance": 0.21433
}

Semantic roles & 50–950 ramp

primary

#678B1C

secondary

#6D47BC

accent

#3EE976

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #678B1C

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

Preview Lab → · Contrast checker → · Palette generator →