#648F18#648F18

#648F18 is a mid, vivid yellow-green. Relative luminance 0.224; OKLCH L 59.7% C 0.148 H 128.5°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#648F18
RGB	rgb(100, 143, 24)
HSL	hsl(82, 71%, 33%)
HSV	hsv(82, 83%, 56%)
CMYK	cmyk(30.1%, 0%, 83.2%, 43.9%)
CIE-LAB	lab(54.47, -32.10, 52.93)
CIE-LCH	lch(54.47, 61.90, 121.23°)
OKLab	oklab(59.67% -0.0923 0.1159)
OKLCH	oklch(59.67% 0.148 128.5)
XYZ	xyz(15.2429, 22.4198, 4.3883)
Luminance	0.2242 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648F18 #43188F

analogous

#8F7E18 #648F18 #288F18

triadic

#648F18 #18648F #8F1864

tetradic

#648F18 #188F7E #43188F #8F1828

square

#648F18 #188F7E #43188F #8F1828

split-complementary

#648F18 #18288F #7E188F

monochromatic

#1B2606 #3F5B0F #648F18 #89C321 #A6DF42

Accessibility & contrast

On white

3.83

#648F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#648F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648F18

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648F18	#FFFFFF	#000000	##000000
##648F18	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968400

Deuteranopia (green-blind)

#918126

Tritanopia (blue-blind)

#68887A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #648f18;
/* rgb */ color: rgb(100, 143, 24);
/* oklch */ color: oklch(59.7% 0.148 128.5);

Tailwind

colors: {
  custom: {
    50: '#94b061',
    500: '#648f18',
    950: '#000000',
  },
}

SCSS

$custom: #648f18;
$custom-light: #94b061;
$custom-dark: #000000;

JSON

{
  "hex": "#648f18",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 24
  },
  "hsl": {
    "h": 81.681,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.59669,
    "c": 0.14813,
    "h": 128.5
  },
  "luminance": 0.2242
}

Semantic roles & 50–950 ramp

primary

#648F18

secondary

#7043C0

accent

#3AEE7B

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1005

muted

#7E7F7A

Preview Lab

Preview with #648F18

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

Preview Lab → · Contrast checker → · Palette generator →