Update README.md

Slightly adjusted the new substring colors to be better discernible in dark mode.

README.md

@@ -107,28 +107,28 @@ These datapoints form a very long, but simple list, resulting in a strictly line
 |`g`|GEN|**GEN**|Genus name|
 |`i`|SUBGEN|**NAME**|Subgenus name|
 |`o`|SPGR|**NAME**|Species group name|
-|`a`|SP|$\color{#CCC}{\textsf{GEN }}$ **SP**|Epithet of extant species|
-|`ae`|SP_EXT|$\color{#CCC}{\textsf{GEN }}$ **SP** $\color{#CCC}{\textsf{ †}}$|Epithet of extinct species|
-|`c`|AGG|$\color{#CCC}{\textsf{GEN }}$ **SP** $\color{#CCC}{\textsf{ agg.}}$|Aggregate name<br>(species complex/superspecies epithet)|
-|`m`|SEG|$\color{#CCC}{\textsf{GEN }}$ **SP**|Segregate name<br>(microspecies epithet)|
-|`u`|SSP|$\color{#CCC}{\textsf{GEN SP }}$ **SSP**|Epithet of extant subspecies|
-|`ue`|SSP_EXT|$\color{#CCC}{\textsf{GEN SP }}$ **SSP** $\color{#CCC}{\textsf{ †}}$|Epithet of extinct subspecies|
+|`a`|SP|$\color{#9BD}{\textsf{GEN }}$ **SP**|Epithet of extant species|
+|`ae`|SP_EXT|$\color{#9BD}{\textsf{GEN }}$ **SP** $\color{#9BD}{\textsf{ †}}$|Epithet of extinct species|
+|`c`|AGG|$\color{#9BD}{\textsf{GEN }}$ **SP** $\color{#9BD}{\textsf{ agg.}}$|Aggregate name<br>(species complex/superspecies epithet)|
+|`m`|SEG|$\color{#9BD}{\textsf{GEN }}$ **SP**|Segregate name<br>(microspecies epithet)|
+|`u`|SSP|$\color{#9BD}{\textsf{GEN SP }}$ **SSP**|Epithet of extant subspecies|
+|`ue`|SSP_EXT|$\color{#9BD}{\textsf{GEN SP }}$ **SSP** $\color{#9BD}{\textsf{ †}}$|Epithet of extinct subspecies|
 |`e`|NAME_EN|**NAME**|English common name of a<br>species or species complex|
 |`e2`|NAME_EN|**NAME**|English common name of a<br>family/tribe-level taxon|
 |`d`|NAME_DE|**NAME**|German common name of a<br>species or species complex|
 |`d2`|NAME_DE|**NAME**|German common name of a<br>family/tribe-level taxon|
-|`s`|SYN|$\color{#CCC}{\textsf{GEN }}$ **SP** SSP|Species synonym with different<br>species (+ optional subspecies) epithet|
-|`s2`|SYN|**GEN** SP $\color{#CCC}{\textsf{ SP/SSP}}$|(Sub)species synonym with different<br>genus (+optional species) name|
-|`s3`|SYN|$\color{#CCC}{\textsf{GEN }}$ **SP** $\color{#CCC}{\textsf{ SSP}}$|Species synonym of former subspecies<br>of the given species epithet|
+|`s`|SYN|$\color{#9BD}{\textsf{GEN }}$ **SP** SSP|Species synonym with different<br>species (+ optional subspecies) epithet|
+|`s2`|SYN|**GEN** SP $\color{#9BD}{\textsf{ SP/SSP}}$|(Sub)species synonym with different<br>genus (+optional species) name|
+|`s3`|SYN|$\color{#9BD}{\textsf{GEN }}$ **SP** $\color{#9BD}{\textsf{ SSP}}$|Species synonym of former subspecies<br>of the given species epithet|
 |`s4`|SYN|**GEN SP** SSP|(Sub)species synonym with completely<br>different genus and species name|
 |`sh`|SYN_H|**NAME**|Synonym of higher taxon|
-|`r`|REF|**AUT1** $\color{#CCC}{\textsf{ et al., 20}}$ **'YY**|Scientific reference first author+year<br>when >2 authors|
-|`r2`|REF|**AUT1** $\color{#CCC}{\textsf{ ＆ }}$ ,AUT2 $\color{#CCC}{\textsf{, 20}}$ **'YY**|Scientific reference author(s)+year<br>when ≤2 authors|
+|`r`|REF|**AUT1** $\color{#9BD}{\textsf{ et al., 20}}$ **'YY**|Scientific reference first author+year<br>when >2 authors|
+|`r2`|REF|**AUT1** $\color{#9BD}{\textsf{ ＆ }}$ ,AUT2 $\color{#9BD}{\textsf{, 20}}$ **'YY**|Scientific reference author(s)+year<br>when ≤2 authors|
 |`l`|REF_TITLE|**TITLE**|Title of scientific reference|
-|`p`|REF_ID|$\color{#CCC}{\textsf{doi:}}$ **DOI**|ID of scientific reference via DOI|
-|`p2`|REF_ID|$\color{#CCC}{\textsf{ISSN-L:}}$ **ISSN-L,VOL**(ISSUE)|ID of scientific reference via<br>ISSN-L and Volume+Issue designation|
+|`p`|REF_ID|$\color{#9BD}{\textsf{doi:}}$ **DOI**|ID of scientific reference via DOI|
+|`p2`|REF_ID|$\color{#9BD}{\textsf{ISSN-L:}}$ **ISSN-L,VOL**(ISSUE)|ID of scientific reference via<br>ISSN-L and Volume+Issue designation|
 
-$\color{#CCC}{\textsf{X}}$ Auto-generated data substring – added on page load via JavaScript<br>
+$\color{#9BD}{\textsf{X}}$ Auto-generated data substring – added on page load via JavaScript<br>
 **X**&nbsp; Required data (sub)string – must always be present<br>
 X&nbsp; Optional data substring – can be added in addition to a required substring