LUXEON Q 3-step and 5-step MacAdam ellipse Color
Definition
Note: Color bin space
illustration for 2700K,
3000K, and 3500K. For CCTs
4000K and above the ellipse
centers are all above the
blackbody line.
AC
AB
5B
5C
3U
3L
5D
5A
AD
AA
ANSI C78.377-2008
3-step MacAdam ellipse
5-step MacAdam ellipse
BBL
"Quadrant" lines
Color Space Definition for Above and Below Blackbody
Parameter Definition of MacAdam ellipse
Table 9. LUXEON Q Product Characteristics for 3-step MacAdam ellipse
Ellipse
Rotation
Angle
Part
Number
Nominal
ANSI CCT
Center Point
(cx, cy)
Major Axis,
a
Minor Axis,
b
Color Space
L1Q0-278000000zzz0
L1Q0-308000000zzz0
L1Q0-358000000zzz0
L1Q0-407000000zzz0
L1Q0-507000000zzz0
L1Q0-577000000zzz0
2700K
3000K
3500K
4000K
5000K
5700K
Single 3-step MacAdam ellipse
Single 3-step MacAdam ellipse
Single 3-step MacAdam ellipse
Single 3-step MacAdam ellipse
Single 3-step MacAdam ellipse
Single 3-step MacAdam ellipse
(0.4578, 0.4101)
(0.4338, 0.4030)
(0.4073, 0.3917)
(0.3818, 0.3797)
(0.3447, 0.3553)
(0.3287, 0.3417)
0.00810
0.00834
0.00927
0.00939
0.00822
0.00745
0.00420
0.00408
0.00414
0.00402
0.00354
0.00319
53.7
53.2
54.0
53.7
59.6
59.1
Min 80CRI 3-step color bins available above (3U) and below (3L) the blackbody line. Min 70CRI 3-step is not divided into bins above and below the blackbody line and is defined as bin 30.
Table 10. LUXEON Q Product Characteristics for 5-step MacAdam ellipse
Ellipse
Part
Number
Nominal
ANSI CCT
Center Point
(cx, cy)
Major Axis,
a
Minor Axis,
b
Color Space
Rotation
Angle
L1Q0-278000000zzz0
L1Q0-308000000zzz0
L1Q0-358000000zzz0
L1Q0-407000000zzz0
L1Q0-507000000zzz0
L1Q0-577000000zzz0
2700K
3000K
3500K
4000K
5000K
5700K
Single 5-step MacAdam ellipse
Single 5-step MacAdam ellipse
Single 5-step MacAdam ellipse
Single 5-step MacAdam ellipse
Single 5-step MacAdam ellipse
Single 5-step MacAdam ellipse
(0.4578, 0.4101)
(0.4338, 0.4030)
(0.4073, 0.3917)
(0.3818, 0.3797)
(0.3447, 0.3553)
(0.3287, 0.3417)
0.01350
0.01390
0.01545
0.01565
0.01370
0.01234
0.00700
0.00680
0.00690
0.00670
0.00590
0.00533
53.7
53.2
54.0
53.7
59.6
59.1
Min 70 and min 80CRI 5-step is divided into quadrants (5A, 5B, 5C, and 5D).
Notes for Tables 9 & 10:
1. Lumileds maintains a tester tolerance of 0.005 on x, y color coordinates.
DS118 LUXEON Q Product Datasheet 20180327 ©2018 Lumileds Holding B.V. All rights reserved.
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