#648D18#648D18

#648D18 is a mid, vivid yellow-green. Relative luminance 0.218; OKLCH L 59.2% C 0.146 H 128.1°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#648D18
RGB	rgb(100, 141, 24)
HSL	hsl(81, 71%, 32%)
HSV	hsv(81, 83%, 55%)
CMYK	cmyk(29.1%, 0%, 83%, 44.7%)
CIE-LAB	lab(53.84, -31.16, 52.36)
CIE-LCH	lch(53.84, 60.94, 120.76°)
OKLab	oklab(59.16% -0.0898 0.1147)
OKLCH	oklch(59.16% 0.146 128.1)
XYZ	xyz(14.9453, 21.8247, 4.2891)
Luminance	0.2182 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648D18 #41188D

analogous

#8D7C18 #648D18 #298D18

triadic

#648D18 #18648D #8D1864

tetradic

#648D18 #188D7C #41188D #8D1829

square

#648D18 #188D7C #41188D #8D1829

split-complementary

#648D18 #18298D #7C188D

monochromatic

#1A2406 #3F590F #648D18 #89C121 #A7DF41

Accessibility & contrast

On white

3.91

#648D18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#648D18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648D18

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648D18	#FFFFFF	#000000	##000000
##648D18	1.00	3.91	5.36	5.36
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#8F8025

Tritanopia (blue-blind)

#688678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #648d18;
/* rgb */ color: rgb(100, 141, 24);
/* oklch */ color: oklch(59.2% 0.146 128.1);

Tailwind

colors: {
  custom: {
    50: '#94ae61',
    500: '#648d18',
    950: '#000000',
  },
}

SCSS

$custom: #648d18;
$custom-light: #94ae61;
$custom-dark: #000000;

JSON

{
  "hex": "#648d18",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 24
  },
  "hsl": {
    "h": 81.026,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.59157,
    "c": 0.14563,
    "h": 128.1
  },
  "luminance": 0.21825
}

Semantic roles & 50–950 ramp

primary

#648D18

secondary

#6E42BF

accent

#3AEE79

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1005

muted

#7E7F7A

Preview Lab

Preview with #648D18

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

Preview Lab → · Contrast checker → · Palette generator →