The stable alkali metals are all silver-coloured metals except for caesium, which has a pale golden tint: it is one of only three metals that are clearly coloured (the other two being copper and gold).
ðə stˈeɪbəl ˈælkəlˌaɪ mˈɛɾəlz ɑːɹ ˈɔːl sˈɪlvɚkˈʌlɚd mˈɛɾəlz ɛksˈɛpt fɔːɹ sˈiːsiəm, wˌɪtʃ hɐz ɐ pˈeɪl ɡˈoʊldən tˈɪnt: ɪɾ ɪz wˈʌn ʌv ˈoʊnli θɹˈiː mˈɛɾəlz ðæt ɑːɹ klˈɪɹli kˈʌlɚd ðɪ ˈʌðɚ tˈuː bˌiːɪŋ kˈɑːpɚ ænd ɡˈoʊld.