Table of Contents

SRM Chart

The colors in this chart are approximate conversions of beer color, expressed in SRM, to RGB values, expressed as six-digit hex triplet web colors. PHP-generated images have been provided, to serve as an example. No direct conversion of SRM to RGB is possible, because the apparent color of beer will change with viewing conditions, as well as with the type of beer. The below table makes the following assumptions:

  1. Rec. 709 viewing conditions. Roughly, that means that the beer is observed in fairly bright natural sunlight, and isn't held very close to the face.
  2. An “average” beer. Different colorants provide different hues, so this chart isn't likely to be very accurate for certain styles. For example, the use of roasted barley introduces red hues that can't be described with SRM alone.
  3. Constrained path length. The more beer that light must travel through in order to reach an observer, the darker the beer will appear. This is one of the reasons why the appearance of beer in a carboy can be quite different from the appearance of the finished beer in a glass. The 5cm path should be a fair representation of a pint glass, while the 3cm path would be more representative of a taster glass.

Chart


5cm path4cm path3cm path
SRMheximageheximageheximage
0#ffffff#ffffff#ffffff
0.5#f9e6ae#faebbc#fbf0cb
1#f3ce77#f5d88a#f7e1a1
1.5#edb950#f0c566#f4d380
2#e6a536#ebb54a#f0c566
2.5#e09423#e6a536#edb950
3#d98416#e19726#e9ad3f
3.5#d2760d#dc8a1b#e5a231
4#cb6907#d67e12#e19726
4.5#c45e03#d1730c#dd8d1d
5#bd5400#cb6907#d98416
5.5#b64b00#c56003#d57b11
6#af4300#c05801#d1730c
6.5#a83c00#ba5000#cd6c08
7#a13600#b44a00#c86505
7.5#9b3000#af4300#c45e03
8#942b00#a93e00#c05801
8.5#8e2700#a43800#bc5200
9#882300#9f3400#b74d00
9.5#821f00#992f00#b34800
10#7d1c00#942b00#af4300
10.5#771900#8f2800#ab3f00
11#721700#8a2400#a73b00
11.5#6d1400#862100#a33700
12#681200#811f00#9f3400
12.5#641000#7d1c00#9b3000
13#600f00#781a00#972d00
13.5#5b0d00#741800#932a00
14#570c00#701600#8f2800
14.5#540b00#6c1400#8c2500
15#500900#681200#882300
15.5#4c0800#651100#852100
16#490800#610f00#811f00
16.5#460700#5e0e00#7e1d00
17#430600#5b0d00#7b1b00
17.5#400500#570c00#771900
18#3d0500#540b00#741800
18.5#3b0400#510a00#711600
19#380400#4e0900#6e1500
19.5#360300#4c0800#6b1300
20#330300#490800#681200
20.5#310300#470700#661100
21#2f0200#440600#631000
21.5#2d0200#420600#600f00
22#2b0200#3f0500#5e0e00
22.5#290100#3d0500#5b0d00
23#280100#3b0400#590c00
23.5#260100#390400#570b00
24#240100#370400#540b00
24.5#230100#350300#520a00
25#210100#330300#500900
25.5#200000#320300#4e0900
26#1f0000#300200#4c0800
26.5#1d0000#2e0200#4a0800
27#1c0000#2d0200#480700
27.5#1b0000#2b0200#460700
28#1a0000#2a0100#440600
28.5#190000#280100#420600
29#180000#270100#410500
29.5#170000#260100#3f0500
30#160000#240100#3d0500
30.5#150000#230100#3c0400
31#140000#220100#3a0400
31.5#130000#210100#380400
32#130000#200000#370400
32.5#120000#1f0000#360300
33#110000#1e0000#340300
33.5#100000#1d0000#330300
34#100000#1c0000#320300
34.5#0f0000#1b0000#300200
35#0f0000#1a0000#2f0200
35.5#0e0000#190000#2e0200
36#0d0000#180000#2d0200
36.5#0d0000#170000#2b0200
37#0c0000#170000#2a0200
37.5#0c0000#160000#290100
38#0c0000#150000#280100
38.5#0b0000#150000#270100
39#0b0000#140000#260100
39.5#0a0000#130000#250100
40#0a0000#130000#240100
40.5#0a0000#120000#230100
41#090000#110000#220100
41.5#090000#110000#220100
42#080000#100000#210100
42.5#080000#100000#200000
43#080000#0f0000#1f0000
43.5#080000#0f0000#1e0000
44#070000#0e0000#1e0000
44.5#070000#0e0000#1d0000
45#070000#0d0000#1c0000
45.5#070000#0d0000#1b0000
46#060000#0d0000#1b0000
46.5#060000#0c0000#1a0000
47#060000#0c0000#190000
47.5#060000#0c0000#190000
48#050000#0b0000#180000
48.5#050000#0b0000#180000
49#050000#0b0000#170000
49.5#050000#0a0000#160000
50#050000#0a0000#160000
50.5#050000#0a0000#150000
51#040000#090000#150000
51.5#040000#090000#140000
52#040000#090000#140000
52.5#040000#080000#130000
53#040000#080000#130000
53.5#040000#080000#120000
54#040000#080000#120000
54.5#030000#080000#120000
55#030000#070000#110000
55.5#030000#070000#110000
56#030000#070000#100000
56.5#030000#070000#100000
57#030000#060000#100000
57.5#030000#060000#0f0000
58#030000#060000#0f0000
58.5#030000#060000#0e0000
59#020000#060000#0e0000
59.5#020000#060000#0e0000
60#020000#050000#0d0000

Credits


All information used in constructing this chart came from A.J. deLange, courtesy of his helpful spreadsheet and informative posts at HomeBrewTalk.com.