#648C1F#648C1F

#648C1F is a mid, vivid yellow-green. Relative luminance 0.216; OKLCH L 58.9% C 0.141 H 128.2°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#648C1F
RGB	rgb(100, 140, 31)
HSL	hsl(82, 64%, 34%)
HSV	hsv(82, 78%, 55%)
CMYK	cmyk(28.6%, 0%, 77.9%, 45.1%)
CIE-LAB	lab(53.56, -30.35, 49.90)
CIE-LCH	lch(53.56, 58.41, 121.31°)
OKLab	oklab(58.94% -0.0871 0.1107)
OKLCH	oklch(58.94% 0.141 128.2)
XYZ	xyz(14.8809, 21.5641, 4.6743)
Luminance	0.2156 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648C1F #471F8C

analogous

#8C7D1F #648C1F #2D8C1F

triadic

#648C1F #1F648C #8C1F64

tetradic

#648C1F #1F8C7D #471F8C #8C1F2D

square

#648C1F #1F8C7D #471F8C #8C1F2D

split-complementary

#648C1F #1F2D8C #7D1F8C

monochromatic

#1C2809 #405A14 #648C1F #88BE2A #A5D84E

Accessibility & contrast

On white

3.95

#648C1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#648C1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648C1F

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648C1F	#FFFFFF	#000000	##000000
##648C1F	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)

#938204

Deuteranopia (green-blind)

#8E7F2A

Tritanopia (blue-blind)

#688577

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #648c1f;
/* rgb */ color: rgb(100, 140, 31);
/* oklch */ color: oklch(58.9% 0.141 128.2);

Tailwind

colors: {
  custom: {
    50: '#94ae64',
    500: '#648c1f',
    950: '#000000',
  },
}

SCSS

$custom: #648c1f;
$custom-light: #94ae64;
$custom-dark: #000000;

JSON

{
  "hex": "#648c1f",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 31
  },
  "hsl": {
    "h": 82.018,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.58941,
    "c": 0.14079,
    "h": 128.2
  },
  "luminance": 0.21564
}

Semantic roles & 50–950 ramp

primary

#648C1F

secondary

#754CBB

accent

#41E77E

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #648C1F

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

Preview Lab → · Contrast checker → · Palette generator →