use better colors for constant,tsfield

lua/base16.lua

@@ -101,7 +101,7 @@ local function apply_base16_theme(theme)
    highlight("Character", theme.base08, nil, nil, nil)
    highlight("Comment", theme.base03, nil, nil, nil)
    highlight("Conditional", theme.base0E, nil, nil, nil)
-   highlight("Constant", theme.base09, nil, nil, nil)
+   highlight("Constant", theme.base08, nil, nil, nil)
    highlight("Define", theme.base0E, nil, "none", nil)
    highlight("Delimiter", theme.base0F, nil, nil, nil)
    highlight("Float", theme.base09, nil, nil, nil)
@@ -180,8 +180,7 @@ local function apply_base16_theme(theme)
    highlight("TSFloat", theme.base09, nil, "none", nil)
    highlight("TSFuncBuiltin", theme.base0D, nil, "none", nil)
    highlight("TSFuncMacro", theme.base08, nil, "none", nil)
-   highlight("TSKeywordFunction", theme.base08, nil, "none", nil)
-   highlight("TSKeywordReturn", theme.base08, nil, "none", nil)
+   highlight("TSField", theme.base0E, nil, "none", nil)
    highlight("TSKeywordOperator", theme.base0E, nil, "none", nil)
    highlight("TSMethod", theme.base0D, nil, "none", nil)
    highlight("TSNamespace", theme.base08, nil, "none", nil)