message: fix Flex example colors
diff: @@ -13,17 +13,17 @@ const propObj = {
  const example1 = `<FlexContainer wrap="nowrap" width={300} height={300} border>
  <FlexItem flexAuto>
  - <Block p={3} bg="blue">
  + <Block p={3} bg="blue.5">
  Item 1
  </Block>
  </FlexItem>
  <FlexItem flexAuto>
  - <Block p={3} bg="green">
  + <Block p={3} bg="green.5">
  Item 2
  </Block>
  </FlexItem>
  <FlexItem flexAuto>
  - <Block p={3} bg="yellow">
  + <Block p={3} bg="yellow.5">
  Item 3
  </Block>
  </FlexItem>
  @@ -31,17 +31,17 @@ const example1 = `<FlexContainer wrap="nowrap" width={300} height={300} border>
  const example2 = `<FlexContainer wrap="nowrap" width={300} height={300} border>
  <FlexItem alignSelf="center">
  - <Block p={3} bg="blue">
  + <Block p={3} bg="blue.5">
  Item 1
  </Block>
  </FlexItem>
  <FlexItem>
  - <Block p={3} bg="green">
  + <Block p={3} bg="green.5">
  Item 2
  </Block>
  </FlexItem>
  <FlexItem>
  - <Block p={3} bg="yellow">
  + <Block p={3} bg="yellow.5">
  Item 3
  </Block>
  </FlexItem>
  @@ -49,17 +49,17 @@ const example2 = `<FlexContainer wrap="nowrap" width={300} height={300} border>
  const example3 = `<FlexContainer wrap="nowrap" width={300} height={300} border>
  <FlexItem tag="p">
  - <Block p={3} bg="blue">
  + <Block p={3} bg="blue.5">
  Item 1
  </Block>
  </FlexItem>
  <FlexItem tag="p">
  - <Block p={3} bg="green">
  + <Block p={3} bg="green.5">
  Item 2
  </Block>
  </FlexItem>
  <FlexItem tag="p">
  - <Block p={3} bg="yellow">
  + <Block p={3} bg="yellow.5">
  Item 3
  </Block>
  </FlexItem>
  @@ -84,19 +84,19 @@ const FlexExample = {
  height={300}
  border
  >
  - <Block p={3} bg="blue">
  + <Block p={3} bg="blue.5">
  Item 1
  </Block>
  - <Block p={3} bg="green">
  + <Block p={3} bg="green.5">
  Item 2
  </Block>
  - <Block p={3} bg="yellow">
  + <Block p={3} bg="yellow.5">
  Item 3
  </Block>
  - <Block p={3} bg="red">
  + <Block p={3} bg="red.5">
  Item 4
  </Block>
  - <Block p={3} bg="purple">
  + <Block p={3} bg="purple.5">
  Item 5
  </Block>
  </FlexContainer>
  