Degrade em J2ME

// vermelho / branco
private void graphcsBackground(Graphics g){
//g.setColor(this.getCorBackEnd());
g.fillRect(0, 0, width, height);
int v = 0;
int r = 0;
int b = 0;
for (int i = 0; i < this.getHeight(); i++) {
g.setColor(255,r+(i),b +(i));
g.drawLine(0,i,getWidth(),i);

}
}


// preto / branco
private void graphcsBackground(Graphics g){
//g.setColor(this.getCorBackEnd());
g.fillRect(0, 0, width, height);
int v = 0;
int r = 0;
int b = 0;
for (int i = 0; i < this.getHeight(); i++) {
g.setColor(r+(i),r+(i),b +(i));
g.drawLine(0,i,getWidth(),i);

}
}

Cores

Cores em J2ME

WHITE = 0xFFFFFF
RED = 0xFF0000
YELLOW = 0xFFFF00
GREEN = 0x00FF00
BLUE = 0x0000FF
BLACK = 0x000000