Start from red and use brightnetss, hue-rotate, saturate to create other colors
(e.g.)
filter: brightness(0.5);
filter: hue-rotate(50deg);
filter: saturate(50%);
hue
0deg
10deg
20deg
30deg
40deg
50deg
60deg
70deg
80deg
90deg
100deg
110deg
120deg
130deg
140deg
150deg
160deg
170deg
180deg
190deg
200deg
210deg
220deg
230deg
240deg
250deg
260deg
270deg
280deg
290deg
300deg
310deg
320deg
330deg
340deg
350deg
360deg
brightness
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
saturate
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
brightness=100% & saturate=100%