#678D17#678D17

#678D17 is a mid, vivid yellow-green. Relative luminance 0.220; OKLCH L 59.4% C 0.145 H 126.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#678D17
RGB	rgb(103, 141, 23)
HSL	hsl(79, 72%, 32%)
HSV	hsv(79, 84%, 55%)
CMYK	cmyk(27%, 0%, 83.7%, 44.7%)
CIE-LAB	lab(54.02, -29.99, 52.88)
CIE-LCH	lch(54.02, 60.79, 119.56°)
OKLab	oklab(59.35% -0.0868 0.1155)
OKLCH	oklch(59.35% 0.145 126.9)
XYZ	xyz(15.2731, 21.9949, 4.2512)
Luminance	0.2200 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#678D17 #3D178D

analogous

#8D7817 #678D17 #2C8D17

triadic

#678D17 #17678D #8D1767

tetradic

#678D17 #178D78 #3D178D #8D172C

square

#678D17 #178D78 #3D178D #8D172C

split-complementary

#678D17 #172C8D #78178D

monochromatic

#1A2406 #41580E #678D17 #8DC220 #ACE03F

Accessibility & contrast

On white

3.89

#678D17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#678D17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678D17

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##678D17	#FFFFFF	#000000	##000000
##678D17	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)

#908025

Tritanopia (blue-blind)

#6B8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #678d17;
/* rgb */ color: rgb(103, 141, 23);
/* oklch */ color: oklch(59.4% 0.145 126.9);

Tailwind

colors: {
  custom: {
    50: '#96ae61',
    500: '#678d17',
    950: '#000000',
  },
}

SCSS

$custom: #678d17;
$custom-light: #96ae61;
$custom-dark: #000000;

JSON

{
  "hex": "#678d17",
  "rgb": {
    "r": 103,
    "g": 141,
    "b": 23
  },
  "hsl": {
    "h": 79.322,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.59352,
    "c": 0.14451,
    "h": 126.9
  },
  "luminance": 0.21995
}

Semantic roles & 50–950 ramp

primary

#678D17

secondary

#6940C0

accent

#39EF74

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1005

muted

#7E7F7A

Preview Lab

Preview with #678D17

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

Preview Lab → · Contrast checker → · Palette generator →