diff --git a/input.c b/input.c
index ff7990e0..bb6ac496 100644
--- a/input.c
+++ b/input.c
@@ -1470,6 +1470,28 @@ input_handle_sequence_sgr(struct input_ctx *ictx)
 			gc->flags &= ~GRID_FLAG_BG256;
 			gc->bg = 8;
 			break;
+		case 90:
+		case 91:
+		case 92:
+		case 93:
+		case 94:
+		case 95:
+		case 96:
+		case 97:
+			gc->flags |= GRID_FLAG_FG256;
+			gc->fg = m - 82;
+			break;
+		case 100:
+		case 101:
+		case 102:
+		case 103:
+		case 104:
+		case 105:
+		case 106:
+		case 107:
+			gc->flags |= GRID_FLAG_BG256;
+			gc->bg = m - 92;
+			break;
 		}
 	}
 }