#648D1B#648D1B

#648D1B is a mid, vivid yellow-green. Relative luminance 0.218; OKLCH L 59.2% C 0.144 H 128.2°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX#648D1B
RGBrgb(100, 141, 27)
HSLhsl(82, 68%, 33%)
HSVhsv(82, 81%, 55%)
CMYKcmyk(29.1%, 0%, 80.9%, 44.7%)
CIE-LABlab(53.85, -31.03, 51.48)
CIE-LCHlch(53.85, 60.11, 121.08°)
OKLaboklab(59.17% -0.0892 0.1133)
OKLCHoklch(59.17% 0.144 128.2)
XYZxyz(14.9782, 21.8378, 4.4627)
Luminance0.2184 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#648D1B #441B8D
analogous
#8D7D1B #648D1B #2B8D1B
triadic
#648D1B #1B648D #8D1B64
tetradic
#648D1B #1B8D7D #441B8D #8D1B2B
square
#648D1B #1B8D7D #441B8D #8D1B2B
split-complementary
#648D1B #1B2B8D #7D1B8D
monochromatic
#1B2607 #405A11 #648D1B #88C025 #A6DC47

Accessibility & contrast

On white

3.91
#648D1B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.37
#648D1B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648D1B
5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##648D1B#FFFFFF#000000##000000
##648D1B1.003.915.375.37
#FFFFFF3.911.0021.0021.00
#0000005.3721.001.001.00
##0000005.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#948300
Deuteranopia (green-blind)
#8F8027
Tritanopia (blue-blind)
#688678
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #648d1b;
/* rgb */ color: rgb(100, 141, 27);
/* oklch */ color: oklch(59.2% 0.144 128.2);
Tailwind
colors: {
  custom: {
    50: '#94ae62',
    500: '#648d1b',
    950: '#000000',
  },
}
SCSS
$custom: #648d1b;
$custom-light: #94ae62;
$custom-dark: #000000;
JSON
{
  "hex": "#648d1b",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 27
  },
  "hsl": {
    "h": 81.579,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.59173,
    "c": 0.14419,
    "h": 128.2
  },
  "luminance": 0.21838
}

Semantic roles & 50–950 ramp

primary
#648D1B
secondary
#7146BD
accent
#3DEB7C
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0E1006
muted
#7E7F7A

Preview Lab

Preview with #648D1B

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

Preview Lab → · Contrast checker → · Palette generator →

#648D1B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva