#648B1D#648B1D

#648B1D 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	#648B1D
RGB	rgb(100, 139, 29)
HSL	hsl(81, 65%, 33%)
HSV	hsv(81, 79%, 55%)
CMYK	cmyk(28.1%, 0%, 79.1%, 45.5%)
CIE-LAB	lab(53.24, -29.98, 50.27)
CIE-LCH	lch(53.24, 58.53, 120.81°)
OKLab	oklab(58.67% -0.0862 0.1111)
OKLCH	oklch(58.67% 0.141 127.8)
XYZ	xyz(14.7099, 21.2629, 4.4913)
Luminance	0.2126 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648B1D #441D8B

analogous

#8B7B1D #648B1D #2D8B1D

triadic

#648B1D #1D648B #8B1D64

tetradic

#648B1D #1D8B7B #441D8B #8B1D2D

square

#648B1D #1D8B7B #441D8B #8B1D2D

split-complementary

#648B1D #1D2D8B #7B1D8B

monochromatic

#1B2608 #405812 #648B1D #88BE28 #A6D949

Accessibility & contrast

On white

4.00

#648B1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#648B1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648B1D

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648B1D	#FFFFFF	#000000	##000000
##648B1D	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)

#688477

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #648b1d;
/* rgb */ color: rgb(100, 139, 29);
/* oklch */ color: oklch(58.7% 0.141 127.8);

Tailwind

colors: {
  custom: {
    50: '#94ad63',
    500: '#648b1d',
    950: '#000000',
  },
}

SCSS

$custom: #648b1d;
$custom-light: #94ad63;
$custom-dark: #000000;

JSON

{
  "hex": "#648b1d",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 29
  },
  "hsl": {
    "h": 81.273,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.58673,
    "c": 0.14062,
    "h": 127.8
  },
  "luminance": 0.21263
}

Semantic roles & 50–950 ramp

primary

#648B1D

secondary

#7149BB

accent

#3FE87B

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #648B1D

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

Preview Lab → · Contrast checker → · Palette generator →