#648C1C#648C1C

#648C1C is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.9% C 0.142 H 128.0°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#648C1C
RGB	rgb(100, 140, 28)
HSL	hsl(81, 67%, 33%)
HSV	hsv(81, 80%, 55%)
CMYK	cmyk(28.6%, 0%, 80%, 45.1%)
CIE-LAB	lab(53.55, -30.51, 50.88)
CIE-LCH	lch(53.55, 59.33, 120.95°)
OKLab	oklab(58.92% -0.0877 0.1122)
OKLCH	oklch(58.92% 0.142 128)
XYZ	xyz(14.8432, 21.5490, 4.4757)
Luminance	0.2155 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648C1C #441C8C

analogous

#8C7C1C #648C1C #2C8C1C

triadic

#648C1C #1C648C #8C1C64

tetradic

#648C1C #1C8C7C #441C8C #8C1C2C

square

#648C1C #1C8C7C #441C8C #8C1C2C

split-complementary

#648C1C #1C2C8C #7C1C8C

monochromatic

#1B2608 #405912 #648C1C #88BF26 #A6DA48

Accessibility & contrast

On white

3.95

#648C1C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#648C1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648C1C

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648C1C	#FFFFFF	#000000	##000000
##648C1C	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938200

Deuteranopia (green-blind)

#8E7F28

Tritanopia (blue-blind)

#688577

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #648c1c;
/* rgb */ color: rgb(100, 140, 28);
/* oklch */ color: oklch(58.9% 0.142 128.0);

Tailwind

colors: {
  custom: {
    50: '#94ae62',
    500: '#648c1c',
    950: '#000000',
  },
}

SCSS

$custom: #648c1c;
$custom-light: #94ae62;
$custom-dark: #000000;

JSON

{
  "hex": "#648c1c",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 28
  },
  "hsl": {
    "h": 81.429,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.58923,
    "c": 0.14241,
    "h": 128
  },
  "luminance": 0.21549
}

Semantic roles & 50–950 ramp

primary

#648C1C

secondary

#7148BC

accent

#3EEA7B

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #648C1C

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

Preview Lab → · Contrast checker → · Palette generator →