#649D40#649D40

#649D40 is a light, vivid yellow-green. Relative luminance 0.272; OKLCH L 63.6% C 0.139 H 135.0°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#649D40
RGB	rgb(100, 157, 64)
HSL	hsl(97, 42%, 43%)
HSV	hsv(97, 59%, 62%)
CMYK	cmyk(36.3%, 0%, 59.2%, 38.4%)
CIE-LAB	lab(59.15, -35.54, 42.01)
CIE-LCH	lch(59.15, 55.03, 130.23°)
OKLab	oklab(63.58% -0.0985 0.0985)
OKLCH	oklch(63.58% 0.139 135)
XYZ	xyz(18.2375, 27.1926, 9.1373)
Luminance	0.2719 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#649D40 #79409D

analogous

#929D40 #649D40 #409D4A

triadic

#649D40 #40649D #9D4064

tetradic

#649D40 #40929D #79409D #9D4A40

square

#649D40 #40929D #79409D #9D4A40

split-complementary

#649D40 #4A409D #9D4092

monochromatic

#2D461D #48722E #649D40 #82BD5D #A4CF89

Accessibility & contrast

On white

3.26

#649D40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#649D40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #649D40

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##649D40	#FFFFFF	#000000	##000000
##649D40	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A39136

Deuteranopia (green-blind)

#9A8D47

Tritanopia (blue-blind)

#639789

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #649d40;
/* rgb */ color: rgb(100, 157, 64);
/* oklch */ color: oklch(63.6% 0.139 135.0);

Tailwind

colors: {
  custom: {
    50: '#94ba78',
    500: '#649d40',
    950: '#000000',
  },
}

SCSS

$custom: #649d40;
$custom-light: #94ba78;
$custom-dark: #000000;

JSON

{
  "hex": "#649d40",
  "rgb": {
    "r": 100,
    "g": 157,
    "b": 64
  },
  "hsl": {
    "h": 96.774,
    "s": 42.081,
    "l": 43.333
  },
  "oklch": {
    "l": 0.63578,
    "c": 0.1393,
    "h": 135
  },
  "luminance": 0.27193
}

Semantic roles & 50–950 ramp

primary

#649D40

secondary

#A37FB9

accent

#56D2A2

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0D1109

muted

#7E807B

Preview Lab

Preview with #649D40

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

Preview Lab → · Contrast checker → · Palette generator →