The Chinese word for red is
红色

hóng sè

Chinese Definition

red
1. 形容词. 紅的
2. 形容词. 紅色的
3. 名词. 紅
4. 名词. 紅色
Components
红
1. Simplified form of 紅
色
1. color; tint; hue; shade
顏色 - color
顏色shǎi兒r - color
紅色 - red
四.色.定理 - four color theorem
2. look; expression
臉色 - facial expression
3. scenery; circumstance
景色 - scenery
夜色 - night scenery
4. kind; sort
貨色 - goods; stuff; trash; rubbish; quality of goods; specification
5. feminine charm; beauty
姿色 - good looks (of women)
6. lust; sexual desire
好hào色 - to lust for women
色情 - pornography; sexual desire
7. (colloquial) perverted; being a pervert; lecherous
8. theatrical role
角jué色 - role; part
9. metallic content
成色 - purity (of a precious metal in an alloy)
10. die (a cube with numbers or symbols on each side, used in games of chance)
色shǎi子zi - die
11. (Buddhism) (l-lite, pi, rūpa) (form; material element; form of existence; etc.)
色即是空，空即是色。 - Form is emptiness, emptiness is form.
12. (transgender slang) Short for 色普龍; cypro (cyproterone acetate)

紅
1. red
紅色 (hóngsè) - red (color)
紅茶 (hóngchá) - black tea, lit=red tea
紅包 (hóngbāo) - red packet
紅綠.色盲 (hónglǜ sèmáng) - red-green colour blindness
2. (colloquial) popular; in vogue
翻紅 (fānhóng) - to be popular again
邁克爾·^傑克遜沒有以前那麼紅了。 (Màikè'ěr Jiékèxùn méiyǒu yǐqián nàme hóng le.) - Michael Jackson is not as popular as he used to be.
3. the red clothes and bunting used on festive occasions
披紅 (pīhóng) - to drape in red silk as a sign of honor or for festivity
4. festive occasion; wedding
紅白喜事 (hóngbáixǐshì) - weddings and funerals
5. (figurative) revolutionary; Communist; Red
紅軍 (hóngjūn) - Red army
又紅又專 (yòuhóngyòuzhuān) - to have a procommunist mindset along with professional skill
6. (business, finance) bonus; extra dividend
分紅 (fēnhóng) - distribute or draw dividends
7. (literary) flower
殘紅 (cánhóng) - fallen petals
8. (literary) beautiful woman
9. (literary) blood
落紅 (luòhóng) - to bleed as an indication of a broken virginity
10. (euphemism, Cantonese, Hakka) blood tofu
豬紅 - pig blood tofu
雞紅 - chicken blood tofu
Hong
女紅gōng (nǚgōng) - the feminine arts (e.g. needlework, sewing, embroidery)
11. (Placename in the State of Lu during the Spring and Autumn Period in Chinese history, northeast of modern Tai'an, Shandong.)