#648A1B#648A1B

#648A1B is a mid, vivid yellow-green. Relative luminance 0.210; OKLCH L 58.4% C 0.140 H 127.4°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#648A1B
RGB	rgb(100, 138, 27)
HSL	hsl(81, 67%, 32%)
HSV	hsv(81, 80%, 54%)
CMYK	cmyk(27.5%, 0%, 80.4%, 45.9%)
CIE-LAB	lab(52.91, -29.61, 50.61)
CIE-LCH	lch(52.91, 58.64, 120.33°)
OKLab	oklab(58.41% -0.0853 0.1115)
OKLCH	oklch(58.41% 0.14 127.4)
XYZ	xyz(14.5419, 20.9651, 4.3172)
Luminance	0.2097 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648A1B #411B8A

analogous

#8A791B #648A1B #2C8A1B

triadic

#648A1B #1B648A #8A1B64

tetradic

#648A1B #1B8A79 #411B8A #8A1B2C

square

#648A1B #1B8A79 #411B8A #8A1B2C

split-complementary

#648A1B #1B2C8A #791B8A

monochromatic

#1A2407 #3F5711 #648A1B #89BD25 #A7DB45

Accessibility & contrast

On white

4.04

#648A1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#648A1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648A1B

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648A1B	#FFFFFF	#000000	##000000
##648A1B	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918000

Deuteranopia (green-blind)

#8C7E27

Tritanopia (blue-blind)

#688376

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #648a1b;
/* rgb */ color: rgb(100, 138, 27);
/* oklch */ color: oklch(58.4% 0.140 127.4);

Tailwind

colors: {
  custom: {
    50: '#94ac62',
    500: '#648a1b',
    950: '#000000',
  },
}

SCSS

$custom: #648a1b;
$custom-light: #94ac62;
$custom-dark: #000000;

JSON

{
  "hex": "#648a1b",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 27
  },
  "hsl": {
    "h": 80.541,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.58406,
    "c": 0.14039,
    "h": 127.4
  },
  "luminance": 0.20965
}

Semantic roles & 50–950 ramp

primary

#648A1B

secondary

#6E45BC

accent

#3EEA79

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1005

muted

#7E7F7A

Preview Lab

Preview with #648A1B

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

Preview Lab → · Contrast checker → · Palette generator →