#648F1F#648F1F

#648F1F is a mid, vivid yellow-green. Relative luminance 0.225; OKLCH L 59.7% C 0.145 H 128.9°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX#648F1F
RGBrgb(100, 143, 31)
HSLhsl(83, 64%, 34%)
HSVhsv(83, 78%, 56%)
CMYKcmyk(30.1%, 0%, 78.3%, 43.9%)
CIE-LABlab(54.50, -31.76, 50.80)
CIE-LCHlch(54.50, 59.91, 122.01°)
OKLaboklab(59.71% -0.0909 0.1125)
OKLCHoklch(59.71% 0.145 128.9)
XYZxyz(15.3253, 22.4528, 4.8224)
Luminance0.2245 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#648F1F #4A1F8F
analogous
#8F821F #648F1F #2C8F1F
triadic
#648F1F #1F648F #8F1F64
tetradic
#648F1F #1F8F82 #4A1F8F #8F1F2C
square
#648F1F #1F8F82 #4A1F8F #8F1F2C
split-complementary
#648F1F #1F2C8F #821F8F
monochromatic
#1E2A09 #415D14 #648F1F #87C12A #A4D94F

Accessibility & contrast

On white

3.82
#648F1F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.49
#648F1F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648F1F
5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##648F1F#FFFFFF#000000##000000
##648F1F1.003.825.495.49
#FFFFFF3.821.0021.0021.00
#0000005.4921.001.001.00
##0000005.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#968402
Deuteranopia (green-blind)
#90812A
Tritanopia (blue-blind)
#67887A
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #648f1f;
/* rgb */ color: rgb(100, 143, 31);
/* oklch */ color: oklch(59.7% 0.145 128.9);
Tailwind
colors: {
  custom: {
    50: '#94b064',
    500: '#648f1f',
    950: '#000000',
  },
}
SCSS
$custom: #648f1f;
$custom-light: #94b064;
$custom-dark: #000000;
JSON
{
  "hex": "#648f1f",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 31
  },
  "hsl": {
    "h": 83.036,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.59708,
    "c": 0.14464,
    "h": 128.9
  },
  "luminance": 0.22453
}

Semantic roles & 50–950 ramp

primary
#648F1F
secondary
#784EBC
accent
#40E781
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0E1006
muted
#7E7F7A

Preview Lab

Preview with #648F1F

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

Preview Lab → · Contrast checker → · Palette generator →

#648F1F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva