#678D1F#678D1F

#678D1F is a mid, vivid yellow-green. Relative luminance 0.220; OKLCH L 59.4% C 0.141 H 127.3°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#678D1F
RGB	rgb(103, 141, 31)
HSL	hsl(81, 64%, 34%)
HSV	hsv(81, 78%, 55%)
CMYK	cmyk(27%, 0%, 78%, 44.7%)
CIE-LAB	lab(54.06, -29.61, 50.44)
CIE-LCH	lch(54.06, 58.49, 120.41°)
OKLab	oklab(59.4% -0.0852 0.1117)
OKLCH	oklch(59.4% 0.141 127.3)
XYZ	xyz(15.3658, 22.0319, 4.7391)
Luminance	0.2203 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678D1F #451F8D

analogous

#8D7C1F #678D1F #308D1F

triadic

#678D1F #1F678D #8D1F67

tetradic

#678D1F #1F8D7C #451F8D #8D1F30

square

#678D1F #1F8D7C #451F8D #8D1F30

split-complementary

#678D1F #1F308D #7C1F8D

monochromatic

#1E2909 #425B14 #678D1F #8CBF2A #A9D84E

Accessibility & contrast

On white

3.88

#678D1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#678D1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678D1F

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678D1F	#FFFFFF	#000000	##000000
##678D1F	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948304

Deuteranopia (green-blind)

#8F812A

Tritanopia (blue-blind)

#6B8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #678d1f;
/* rgb */ color: rgb(103, 141, 31);
/* oklch */ color: oklch(59.4% 0.141 127.3);

Tailwind

colors: {
  custom: {
    50: '#96ae64',
    500: '#678d1f',
    950: '#000000',
  },
}

SCSS

$custom: #678d1f;
$custom-light: #96ae64;
$custom-dark: #000000;

JSON

{
  "hex": "#678d1f",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 31
  },
  "hsl": {
    "h": 80.727,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.59396,
    "c": 0.1405,
    "h": 127.3
  },
  "luminance": 0.22032
}

Semantic roles & 50–950 ramp

primary

#678D1F

secondary

#734DBB

accent

#41E77A

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #678D1F

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

Preview Lab → · Contrast checker → · Palette generator →