#648D1B#648D1B

#648D1B is a mid, vivid yellow-green. Relative luminance 0.218; OKLCH L 59.2% C 0.144 H 128.2°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#648D1B
RGB	rgb(100, 141, 27)
HSL	hsl(82, 68%, 33%)
HSV	hsv(82, 81%, 55%)
CMYK	cmyk(29.1%, 0%, 80.9%, 44.7%)
CIE-LAB	lab(53.85, -31.03, 51.48)
CIE-LCH	lch(53.85, 60.11, 121.08°)
OKLab	oklab(59.17% -0.0892 0.1133)
OKLCH	oklch(59.17% 0.144 128.2)
XYZ	xyz(14.9782, 21.8378, 4.4627)
Luminance	0.2184 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648D1B #441B8D

analogous

#8D7D1B #648D1B #2B8D1B

triadic

#648D1B #1B648D #8D1B64

tetradic

#648D1B #1B8D7D #441B8D #8D1B2B

square

#648D1B #1B8D7D #441B8D #8D1B2B

split-complementary

#648D1B #1B2B8D #7D1B8D

monochromatic

#1B2607 #405A11 #648D1B #88C025 #A6DC47

Accessibility & contrast

On white

3.91

#648D1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#648D1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648D1B

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648D1B	#FFFFFF	#000000	##000000
##648D1B	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948300

Deuteranopia (green-blind)

#8F8027

Tritanopia (blue-blind)

#688678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #648d1b;
/* rgb */ color: rgb(100, 141, 27);
/* oklch */ color: oklch(59.2% 0.144 128.2);

Tailwind

colors: {
  custom: {
    50: '#94ae62',
    500: '#648d1b',
    950: '#000000',
  },
}

SCSS

$custom: #648d1b;
$custom-light: #94ae62;
$custom-dark: #000000;

JSON

{
  "hex": "#648d1b",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 27
  },
  "hsl": {
    "h": 81.579,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.59173,
    "c": 0.14419,
    "h": 128.2
  },
  "luminance": 0.21838
}

Semantic roles & 50–950 ramp

primary

#648D1B

secondary

#7146BD

accent

#3DEB7C

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #648D1B

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

Preview Lab → · Contrast checker → · Palette generator →