#648E1B#648E1B

#648E1B is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.4% C 0.145 H 128.5°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#648E1B
RGB	rgb(100, 142, 27)
HSL	hsl(82, 68%, 33%)
HSV	hsv(82, 81%, 56%)
CMYK	cmyk(29.6%, 0%, 81%, 44.3%)
CIE-LAB	lab(54.17, -31.49, 51.77)
CIE-LCH	lch(54.17, 60.60, 121.31°)
OKLab	oklab(59.43% -0.0905 0.1139)
OKLCH	oklch(59.43% 0.145 128.5)
XYZ	xyz(15.1264, 22.1341, 4.5120)
Luminance	0.2213 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648E1B #451B8E

analogous

#8E7E1B #648E1B #2A8E1B

triadic

#648E1B #1B648E #8E1B64

tetradic

#648E1B #1B8E7E #451B8E #8E1B2A

square

#648E1B #1B8E7E #451B8E #8E1B2A

split-complementary

#648E1B #1B2A8E #7E1B8E

monochromatic

#1C2707 #405B11 #648E1B #88C125 #A6DC47

Accessibility & contrast

On white

3.87

#648E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#648E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648E1B

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648E1B	#FFFFFF	#000000	##000000
##648E1B	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#908127

Tritanopia (blue-blind)

#688779

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #648e1b;
/* rgb */ color: rgb(100, 142, 27);
/* oklch */ color: oklch(59.4% 0.145 128.5);

Tailwind

colors: {
  custom: {
    50: '#94af62',
    500: '#648e1b',
    950: '#000000',
  },
}

SCSS

$custom: #648e1b;
$custom-light: #94af62;
$custom-dark: #000000;

JSON

{
  "hex": "#648e1b",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 27
  },
  "hsl": {
    "h": 81.913,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.59429,
    "c": 0.14546,
    "h": 128.5
  },
  "luminance": 0.22134
}

Semantic roles & 50–950 ramp

primary

#648E1B

secondary

#7247BE

accent

#3DEB7C

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #648E1B

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

Preview Lab → · Contrast checker → · Palette generator →