#649B31#649B31

#649B31 is a light, vivid yellow-green. Relative luminance 0.264; OKLCH L 62.9% C 0.149 H 132.8°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#649B31
RGB	rgb(100, 155, 49)
HSL	hsl(91, 52%, 40%)
HSV	hsv(91, 68%, 61%)
CMYK	cmyk(35.5%, 0%, 68.4%, 39.2%)
CIE-LAB	lab(58.39, -36.03, 47.86)
CIE-LCH	lch(58.39, 59.91, 126.97°)
OKLab	oklab(62.91% -0.1011 0.1091)
OKLCH	oklch(62.91% 0.149 132.8)
XYZ	xyz(17.5310, 26.3731, 7.0720)
Luminance	0.2637 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#649B31 #68319B

analogous

#999B31 #649B31 #319B33

triadic

#649B31 #31649B #9B3164

tetradic

#649B31 #31999B #68319B #9B3331

square

#649B31 #31999B #68319B #9B3331

split-complementary

#649B31 #33319B #9B3199

monochromatic

#283E14 #466D22 #649B31 #82C445 #A1D373

Accessibility & contrast

On white

3.35

#649B31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#649B31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #649B31

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##649B31	#FFFFFF	#000000	##000000
##649B31	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18F22

Deuteranopia (green-blind)

#9A8B3A

Tritanopia (blue-blind)

#659586

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #649b31;
/* rgb */ color: rgb(100, 155, 49);
/* oklch */ color: oklch(62.9% 0.149 132.8);

Tailwind

colors: {
  custom: {
    50: '#94b96f',
    500: '#649b31',
    950: '#000000',
  },
}

SCSS

$custom: #649b31;
$custom-light: #94b96f;
$custom-dark: #000000;

JSON

{
  "hex": "#649b31",
  "rgb": {
    "r": 100,
    "g": 155,
    "b": 49
  },
  "hsl": {
    "h": 91.132,
    "s": 51.961,
    "l": 40
  },
  "oklch": {
    "l": 0.62912,
    "c": 0.14873,
    "h": 132.8
  },
  "luminance": 0.26374
}

Semantic roles & 50–950 ramp

primary

#649B31

secondary

#956DBB

accent

#4CDB97

background

#F9FBF6

surface

#F2F6EC

border

#CCD0C7

text

#0E1108

muted

#7E807B

Preview Lab

Preview with #649B31

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

Preview Lab → · Contrast checker → · Palette generator →