#648B2B#648B2B

#648B2B is a mid, vivid yellow-green. Relative luminance 0.213; OKLCH L 58.8% C 0.132 H 128.9°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#648B2B
RGB	rgb(100, 139, 43)
HSL	hsl(84, 53%, 36%)
HSV	hsv(84, 69%, 55%)
CMYK	cmyk(28.1%, 0%, 69.1%, 45.5%)
CIE-LAB	lab(53.33, -29.09, 45.07)
CIE-LCH	lch(53.33, 53.64, 122.84°)
OKLab	oklab(58.78% -0.0826 0.1024)
OKLCH	oklch(58.78% 0.132 128.9)
XYZ	xyz(14.9241, 21.3486, 5.6194)
Luminance	0.2135 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648B2B #522B8B

analogous

#8B822B #648B2B #348B2B

triadic

#648B2B #2B648B #8B2B64

tetradic

#648B2B #2B8B82 #522B8B #8B2B34

square

#648B2B #2B8B82 #522B8B #8B2B34

split-complementary

#648B2B #2B348B #822B8B

monochromatic

#212E0E #425C1D #648B2B #86BA39 #A2CE62

Accessibility & contrast

On white

3.98

#648B2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#648B2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648B2B

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648B2B	#FFFFFF	#000000	##000000
##648B2B	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92811D

Deuteranopia (green-blind)

#8C7F33

Tritanopia (blue-blind)

#678578

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #648b2b;
/* rgb */ color: rgb(100, 139, 43);
/* oklch */ color: oklch(58.8% 0.132 128.9);

Tailwind

colors: {
  custom: {
    50: '#93ad6a',
    500: '#648b2b',
    950: '#000000',
  },
}

SCSS

$custom: #648b2b;
$custom-light: #93ad6a;
$custom-dark: #000000;

JSON

{
  "hex": "#648b2b",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 43
  },
  "hsl": {
    "h": 84.375,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.58779,
    "c": 0.13156,
    "h": 128.9
  },
  "luminance": 0.21349
}

Semantic roles & 50–950 ramp

primary

#648B2B

secondary

#815DB5

accent

#4CDC86

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #648B2B

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

Preview Lab → · Contrast checker → · Palette generator →