Phosphor Green Color - #00aa00: Codes and Complete Breakdown

Published on

October 1, 2026

Early green-screen terminals glowed with P1 phosphor, a manganese-activated zinc silicate that emits around 525 nanometers and lingers after the beam passes. Phosphor Green color #00aa00 is pure green at two-thirds strength, the same value IBM’s CGA palette used for its green, so it carries real 1980s computer DNA.

Phosphor Green Color Shades

Complementary colors

#00AA00
#AA00AA

Triadic colors

#00AA00
#0000AA
#AA0000

Tints or lighter colors

#00DD00
#11FF11
#44FF44
#77FF77
#AAFFAA

Darker colors

#007700
#004400
#001100

Analogous colors

#AAAA00
#55AA00
#00AA00
#00AA55
#00AAAA

Monochromatic colors

#005D00
#009000
#00C300
#00F600
#30FA30

#00aa00

Green

Phosphor Green Color Codes and Information

Complete breakdown of the color Phosphor Green:

Data Type	Values/Details
Hex	#00aa00
RGB	rgb(0,170,0)
HSL	hsl(120,100%,33.3%)
CMYK	100, 0, 100, 33
HSV	120, 100, 67
RGB %	0, 67, 0
XYZ	14.4, 28.7, 4.8
LAB	60.6, -63.6, 61.4
Color Category	Dark
Color Family	Green
Saturation	100%
Temperature	Cool
Contrast Ratio Against White (#ffffff)	3.11 (fails WCAG AA)
Contrast Ratio Against Black (#000000)	6.75 (passes WCAG AA)