Neue Helvetica with Optima in action on ylprojects.com

Under the hood

.header-1 { font-family: Optima, optima, Belleza, "A+EqpB-游ゴシック体 Pr6N M", 游ゴシック, "Yu Gothic", "Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3", "ヒラギノ角ゴ ProN W3", メイリオ, Meiryo, "ＭＳＰゴシック", sans-serif; font-size: 70px; font-style: normal; font-weight: 400; letter-spacing: 0px; line-height: 85px; text-transform: none; color: #FFFFFF; }
.content-1 { font-family: NeueHelvetica, Optima, optima, Belleza, "A+EqpB-游ゴシック体 Pr6N M", 游ゴシック, "Yu Gothic", "Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3", "ヒラギノ角ゴ ProN W3", メイリオ, Meiryo, "ＭＳＰゴシック", sans-serif; font-size: 18px; font-style: normal; font-weight: 400; letter-spacing: 1px; line-height: 26px; text-transform: none; color: #FFFFFF; }
.content-2 { font-family: Optima, optima, Belleza, "A+EqpB-游ゴシック体 Pr6N M", 游ゴシック, "Yu Gothic", "Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3", "ヒラギノ角ゴ ProN W3", メイリオ, Meiryo, "ＭＳＰゴシック", sans-serif; font-size: 26px; font-style: normal; font-weight: 400; letter-spacing: 0px; line-height: 41px; text-transform: none; color: #FFFFFF; }

Optima is available from Fonts.com and MyFonts.