#648F18#648F18

#648F18 is a mid, vivid yellow-green. Relative luminance 0.224; OKLCH L 59.7% C 0.148 H 128.5°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX#648F18
RGBrgb(100, 143, 24)
HSLhsl(82, 71%, 33%)
HSVhsv(82, 83%, 56%)
CMYKcmyk(30.1%, 0%, 83.2%, 43.9%)
CIE-LABlab(54.47, -32.10, 52.93)
CIE-LCHlch(54.47, 61.90, 121.23°)
OKLaboklab(59.67% -0.0923 0.1159)
OKLCHoklch(59.67% 0.148 128.5)
XYZxyz(15.2429, 22.4198, 4.3883)
Luminance0.2242 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#648F18 #43188F
analogous
#8F7E18 #648F18 #288F18
triadic
#648F18 #18648F #8F1864
tetradic
#648F18 #188F7E #43188F #8F1828
square
#648F18 #188F7E #43188F #8F1828
split-complementary
#648F18 #18288F #7E188F
monochromatic
#1B2606 #3F5B0F #648F18 #89C321 #A6DF42

Accessibility & contrast

On white

3.83
#648F18 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.48
#648F18 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648F18
5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##648F18#FFFFFF#000000##000000
##648F181.003.835.485.48
#FFFFFF3.831.0021.0021.00
#0000005.4821.001.001.00
##0000005.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#968400
Deuteranopia (green-blind)
#918126
Tritanopia (blue-blind)
#68887A
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #648f18;
/* rgb */ color: rgb(100, 143, 24);
/* oklch */ color: oklch(59.7% 0.148 128.5);
Tailwind
colors: {
  custom: {
    50: '#94b061',
    500: '#648f18',
    950: '#000000',
  },
}
SCSS
$custom: #648f18;
$custom-light: #94b061;
$custom-dark: #000000;
JSON
{
  "hex": "#648f18",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 24
  },
  "hsl": {
    "h": 81.681,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.59669,
    "c": 0.14813,
    "h": 128.5
  },
  "luminance": 0.2242
}

Semantic roles & 50–950 ramp

primary
#648F18
secondary
#7043C0
accent
#3AEE7B
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0E1005
muted
#7E7F7A

Preview Lab

Preview with #648F18

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

Preview Lab → · Contrast checker → · Palette generator →

#648F18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva