#648F21#648F21

#648F21 is a mid, vivid yellow-green. Relative luminance 0.225; OKLCH L 59.7% C 0.144 H 129.1°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#648F21
RGB	rgb(100, 143, 33)
HSL	hsl(83, 63%, 35%)
HSV	hsv(83, 77%, 56%)
CMYK	cmyk(30.1%, 0%, 76.9%, 43.9%)
CIE-LAB	lab(54.52, -31.64, 50.12)
CIE-LCH	lch(54.52, 59.28, 122.27°)
OKLab	oklab(59.72% -0.0904 0.1114)
OKLCH	oklch(59.72% 0.144 129.1)
XYZ	xyz(15.3525, 22.4636, 4.9656)
Luminance	0.2246 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648F21 #4C218F

analogous

#8F8321 #648F21 #2D8F21

triadic

#648F21 #21648F #8F2164

tetradic

#648F21 #218F83 #4C218F #8F212D

square

#648F21 #218F83 #4C218F #8F212D

split-complementary

#648F21 #212D8F #83218F

monochromatic

#1E2C0A #415D16 #648F21 #87C12C #A4D753

Accessibility & contrast

On white

3.82

#648F21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#648F21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648F21

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648F21	#FFFFFF	#000000	##000000
##648F21	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968408

Deuteranopia (green-blind)

#90812C

Tritanopia (blue-blind)

#67887A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #648f21;
/* rgb */ color: rgb(100, 143, 33);
/* oklch */ color: oklch(59.7% 0.144 129.1);

Tailwind

colors: {
  custom: {
    50: '#94b065',
    500: '#648f21',
    950: '#000000',
  },
}

SCSS

$custom: #648f21;
$custom-light: #94b065;
$custom-dark: #000000;

JSON

{
  "hex": "#648f21",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 33
  },
  "hsl": {
    "h": 83.455,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.59721,
    "c": 0.14351,
    "h": 129.1
  },
  "luminance": 0.22464
}

Semantic roles & 50–950 ramp

primary

#648F21

secondary

#7A51BB

accent

#42E682

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #648F21

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

Preview Lab → · Contrast checker → · Palette generator →