#648B1C#648B1C

#648B1C is a mid, vivid yellow-green. Relative luminance 0.213; OKLCH L 58.7% C 0.141 H 127.8°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#648B1C
RGB	rgb(100, 139, 28)
HSL	hsl(81, 66%, 33%)
HSV	hsv(81, 80%, 55%)
CMYK	cmyk(28.1%, 0%, 79.9%, 45.5%)
CIE-LAB	lab(53.23, -30.03, 50.59)
CIE-LCH	lch(53.23, 58.83, 120.70°)
OKLab	oklab(58.67% -0.0864 0.1116)
OKLCH	oklch(58.67% 0.141 127.8)
XYZ	xyz(14.6978, 21.2581, 4.4272)
Luminance	0.2126 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648B1C #431C8B

analogous

#8B7A1C #648B1C #2D8B1C

triadic

#648B1C #1C648B #8B1C64

tetradic

#648B1C #1C8B7A #431C8B #8B1C2D

square

#648B1C #1C8B7A #431C8B #8B1C2D

split-complementary

#648B1C #1C2D8B #7A1C8B

monochromatic

#1B2507 #3F5812 #648B1C #89BE26 #A6DA47

Accessibility & contrast

On white

4.00

#648B1C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#648B1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648B1C

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648B1C	#FFFFFF	#000000	##000000
##648B1C	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928100

Deuteranopia (green-blind)

#8D7E28

Tritanopia (blue-blind)

#688476

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #648b1c;
/* rgb */ color: rgb(100, 139, 28);
/* oklch */ color: oklch(58.7% 0.141 127.8);

Tailwind

colors: {
  custom: {
    50: '#94ad62',
    500: '#648b1c',
    950: '#000000',
  },
}

SCSS

$custom: #648b1c;
$custom-light: #94ad62;
$custom-dark: #000000;

JSON

{
  "hex": "#648b1c",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 28
  },
  "hsl": {
    "h": 81.081,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.58667,
    "c": 0.14115,
    "h": 127.8
  },
  "luminance": 0.21258
}

Semantic roles & 50–950 ramp

primary

#648B1C

secondary

#7047BC

accent

#3EE97A

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #648B1C

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

Preview Lab → · Contrast checker → · Palette generator →