#678B23#678B23

#678B23 is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.9% C 0.136 H 127.1°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX#678B23
RGBrgb(103, 139, 35)
HSLhsl(81, 60%, 34%)
HSVhsv(81, 75%, 55%)
CMYKcmyk(25.9%, 0%, 74.8%, 45.5%)
CIE-LABlab(53.46, -28.42, 48.44)
CIE-LCHlch(53.46, 56.16, 120.40°)
OKLaboklab(58.92% -0.0817 0.1082)
OKLCHoklch(58.92% 0.136 127.1)
XYZxyz(15.1296, 21.4699, 4.9368)
Luminance0.2147 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#678B23 #47238B
analogous
#8B7B23 #678B23 #338B23
triadic
#678B23 #23678B #8B2367
tetradic
#678B23 #238B7B #47238B #8B2333
square
#678B23 #238B7B #47238B #8B2333
split-complementary
#678B23 #23338B #7B238B
monochromatic
#1F290A #435A17 #678B23 #8BBC2F #A8D454

Accessibility & contrast

On white

3.97
#678B23 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.29
#678B23 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #678B23
5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##678B23#FFFFFF#000000##000000
##678B231.003.975.295.29
#FFFFFF3.971.0021.0021.00
#0000005.2921.001.001.00
##0000005.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#92810F
Deuteranopia (green-blind)
#8D7F2D
Tritanopia (blue-blind)
#6B8477
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #678b23;
/* rgb */ color: rgb(103, 139, 35);
/* oklch */ color: oklch(58.9% 0.136 127.1);
Tailwind
colors: {
  custom: {
    50: '#96ad66',
    500: '#678b23',
    950: '#000000',
  },
}
SCSS
$custom: #678b23;
$custom-light: #96ad66;
$custom-dark: #000000;
JSON
{
  "hex": "#678b23",
  "rgb": {
    "r": 103,
    "g": 139,
    "b": 35
  },
  "hsl": {
    "h": 80.769,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.58916,
    "c": 0.13554,
    "h": 127.1
  },
  "luminance": 0.2147
}

Semantic roles & 50–950 ramp

primary
#678B23
secondary
#7552B8
accent
#45E37C
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0E1006
muted
#7E7F7A

Preview Lab

Preview with #678B23

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

Preview Lab → · Contrast checker → · Palette generator →

#678B23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva