#648D21#648D21

#648D21 is a mid, vivid yellow-green. Relative luminance 0.219; OKLCH L 59.2% C 0.141 H 128.6°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#648D21
RGB	rgb(100, 141, 33)
HSL	hsl(83, 62%, 34%)
HSV	hsv(83, 77%, 55%)
CMYK	cmyk(29.1%, 0%, 76.6%, 44.7%)
CIE-LAB	lab(53.89, -30.71, 49.52)
CIE-LCH	lch(53.89, 58.27, 121.80°)
OKLab	oklab(59.21% -0.0879 0.1102)
OKLCH	oklch(59.21% 0.141 128.6)
XYZ	xyz(15.0549, 21.8685, 4.8664)
Luminance	0.2187 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648D21 #4A218D

analogous

#8D8021 #648D21 #2E8D21

triadic

#648D21 #21648D #8D2164

tetradic

#648D21 #218D80 #4A218D #8D212E

square

#648D21 #218D80 #4A218D #8D212E

split-complementary

#648D21 #212E8D #80218D

monochromatic

#1E2A0A #415B15 #648D21 #87BF2D #A4D652

Accessibility & contrast

On white

3.91

#648D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#648D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648D21

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648D21	#FFFFFF	#000000	##000000
##648D21	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)

#948309

Deuteranopia (green-blind)

#8E802B

Tritanopia (blue-blind)

#678678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #648d21;
/* rgb */ color: rgb(100, 141, 33);
/* oklch */ color: oklch(59.2% 0.141 128.6);

Tailwind

colors: {
  custom: {
    50: '#94ae65',
    500: '#648d21',
    950: '#000000',
  },
}

SCSS

$custom: #648d21;
$custom-light: #94ae65;
$custom-dark: #000000;

JSON

{
  "hex": "#648d21",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 33
  },
  "hsl": {
    "h": 82.778,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.5921,
    "c": 0.14092,
    "h": 128.6
  },
  "luminance": 0.21869
}

Semantic roles & 50–950 ramp

primary

#648D21

secondary

#7850BA

accent

#43E580

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #648D21

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

Preview Lab → · Contrast checker → · Palette generator →