#678C1B#678C1B

#678C1B is a mid, vivid yellow-green. Relative luminance 0.217; OKLCH L 59.1% C 0.141 H 126.9°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#678C1B
RGB	rgb(103, 140, 27)
HSL	hsl(80, 68%, 33%)
HSV	hsv(80, 81%, 55%)
CMYK	cmyk(26.4%, 0%, 80.7%, 45.1%)
CIE-LAB	lab(53.73, -29.33, 51.43)
CIE-LCH	lch(53.73, 59.21, 119.70°)
OKLab	oklab(59.12% -0.0848 0.1131)
OKLCH	oklch(59.12% 0.141 126.9)
XYZ	xyz(15.1695, 21.7186, 4.4296)
Luminance	0.2172 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678C1B #401B8C

analogous

#8C781B #678C1B #2E8C1B

triadic

#678C1B #1B678C #8C1B67

tetradic

#678C1B #1B8C78 #401B8C #8C1B2E

square

#678C1B #1B8C78 #401B8C #8C1B2E

split-complementary

#678C1B #1B2E8C #781B8C

monochromatic

#1C2507 #415911 #678C1B #8DBF25 #AADB46

Accessibility & contrast

On white

3.93

#678C1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#678C1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678C1B

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678C1B	#FFFFFF	#000000	##000000
##678C1B	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#8F8027

Tritanopia (blue-blind)

#6B8577

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #678c1b;
/* rgb */ color: rgb(103, 140, 27);
/* oklch */ color: oklch(59.1% 0.141 126.9);

Tailwind

colors: {
  custom: {
    50: '#96ad62',
    500: '#678c1b',
    950: '#000000',
  },
}

SCSS

$custom: #678c1b;
$custom-light: #96ad62;
$custom-dark: #000000;

JSON

{
  "hex": "#678c1b",
  "rgb": {
    "r": 103,
    "g": 140,
    "b": 27
  },
  "hsl": {
    "h": 79.646,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.59118,
    "c": 0.14136,
    "h": 126.9
  },
  "luminance": 0.21719
}

Semantic roles & 50–950 ramp

primary

#678C1B

secondary

#6D46BD

accent

#3DEB76

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #678C1B

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

Preview Lab → · Contrast checker → · Palette generator →