Search gender: all male female Ryokumasa Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: ryokumasa Katakana: リョクマサ 0 Kanji: 緑眞 Meaning: 緑Green. Intermediate color between blue and yellow. The color of trees and grasses. It also refers to the plants and trees themselves. Black hair with a glossy sheen. 眞True. Truth, not falsehood. Nature as it is. True form. Innate. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Ryokumasa Name Meaning, Kanji Variations.