#648E1F#648E1F

#648E1F is a mid, vivid yellow-green. Relative luminance 0.222; OKLCH L 59.5% C 0.143 H 128.7°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#648E1F
RGB	rgb(100, 142, 31)
HSL	hsl(83, 64%, 34%)
HSV	hsv(83, 78%, 56%)
CMYK	cmyk(29.6%, 0%, 78.2%, 44.3%)
CIE-LAB	lab(54.19, -31.29, 50.50)
CIE-LCH	lch(54.19, 59.41, 121.78°)
OKLab	oklab(59.45% -0.0896 0.1119)
OKLCH	oklch(59.45% 0.143 128.7)
XYZ	xyz(15.1758, 22.1539, 4.7726)
Luminance	0.2215 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648E1F #491F8E

analogous

#8E811F #648E1F #2C8E1F

triadic

#648E1F #1F648E #8E1F64

tetradic

#648E1F #1F8E81 #491F8E #8E1F2C

square

#648E1F #1F8E81 #491F8E #8E1F2C

split-complementary

#648E1F #1F2C8E #811F8E

monochromatic

#1D2A09 #415C14 #648E1F #87C02A #A4D94F

Accessibility & contrast

On white

3.87

#648E1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#648E1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648E1F

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648E1F	#FFFFFF	#000000	##000000
##648E1F	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958303

Deuteranopia (green-blind)

#8F812A

Tritanopia (blue-blind)

#678779

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #648e1f;
/* rgb */ color: rgb(100, 142, 31);
/* oklch */ color: oklch(59.5% 0.143 128.7);

Tailwind

colors: {
  custom: {
    50: '#94af64',
    500: '#648e1f',
    950: '#000000',
  },
}

SCSS

$custom: #648e1f;
$custom-light: #94af64;
$custom-dark: #000000;

JSON

{
  "hex": "#648e1f",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 31
  },
  "hsl": {
    "h": 82.703,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.59452,
    "c": 0.14336,
    "h": 128.7
  },
  "luminance": 0.22154
}

Semantic roles & 50–950 ramp

primary

#648E1F

secondary

#774DBB

accent

#41E780

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #648E1F

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

Preview Lab → · Contrast checker → · Palette generator →