#678D1B#678D1B

#678D1B is a mid, vivid yellow-green. Relative luminance 0.220; OKLCH L 59.4% C 0.143 H 127.1°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#678D1B
RGB	rgb(103, 141, 27)
HSL	hsl(80, 68%, 33%)
HSV	hsv(80, 81%, 55%)
CMYK	cmyk(27%, 0%, 80.9%, 44.7%)
CIE-LAB	lab(54.04, -29.81, 51.72)
CIE-LCH	lch(54.04, 59.70, 119.96°)
OKLab	oklab(59.37% -0.0861 0.1137)
OKLCH	oklch(59.37% 0.143 127.1)
XYZ	xyz(15.3163, 22.0121, 4.4785)
Luminance	0.2201 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678D1B #411B8D

analogous

#8D7A1B #678D1B #2E8D1B

triadic

#678D1B #1B678D #8D1B67

tetradic

#678D1B #1B8D7A #411B8D #8D1B2E

square

#678D1B #1B8D7A #411B8D #8D1B2E

split-complementary

#678D1B #1B2E8D #7A1B8D

monochromatic

#1C2607 #415A11 #678D1B #8DC025 #AADC47

Accessibility & contrast

On white

3.89

#678D1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#678D1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678D1B

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678D1B	#FFFFFF	#000000	##000000
##678D1B	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8F8027

Tritanopia (blue-blind)

#6B8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #678d1b;
/* rgb */ color: rgb(103, 141, 27);
/* oklch */ color: oklch(59.4% 0.143 127.1);

Tailwind

colors: {
  custom: {
    50: '#96ae62',
    500: '#678d1b',
    950: '#000000',
  },
}

SCSS

$custom: #678d1b;
$custom-light: #96ae62;
$custom-dark: #000000;

JSON

{
  "hex": "#678d1b",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 27
  },
  "hsl": {
    "h": 80,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.59372,
    "c": 0.14262,
    "h": 127.1
  },
  "luminance": 0.22012
}

Semantic roles & 50–950 ramp

primary

#678D1B

secondary

#6E46BD

accent

#3DEB77

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #678D1B

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

Preview Lab → · Contrast checker → · Palette generator →