青

qing

blue-green, azure;

youth, young

young green plant (生) under "blue moon" (冃) are the colors of nature

清

qing

clear, pure

water 氵²⁰²[shuǐ] + blue 青 [qīng]

a water (氵)  that reflects the hues of nature: blue (青) skies, green (青) plants, because it is so transparent and clear

米

mi

rice; meter

A cross (十) holds four grains (灬) of rice that fell from the harvest.

精

jing

refined, skilled

essence, spirit

rice 米¹³⁸[mǐ] + blue/clarity 青 [qīng]

rice (米) is polished until it becomes pure azure (青) thus extracting its essence, and such a refined grain is ready to eat 

请

qing

to ask, to invite

to request; please

word 讠=言²²[yán] + blue/clarity 青 [qīng]

using words (讠) refined with azure (青) shades to ask, or to invite, or to simply be polite by saying: "Please"

忄

xin

情

qing

feeling, emotion

situation, circumstance

heart 忄=心²⁸[xīn] + blue 青 [qīng]

 q

晴

qing

clear or fine weather

sun 日²¹⁸[rì] + blue 青 [qīng]

The sun (日) shines in a cloudless blue (青) sky when the weather is clear

目

mu

睛

jing

eyeball

eye 目 [mù] + blue/clarity 青¹³⁵[qīng]

when one’s eyes (目) are clear (青), one can see the pupils

争

zheng

contend (boriti se, tvrditi), 

to strive; dispute,

fight, struggle 

person [ren] + hand [ji] + hook [jue]

a high-person is holding a hooked scepter which another hand is disputing and  contending and struggling to take away

静

jing

quiet, calm, still

motionless

blue/green (qing) + contend/dispute (zheng)

the left character (青) is a source of many disputes  whether it represents green or blue color, and it should be resolved in a calm and quite manner