The photos of these color samples are meant to provide an overview of how each color behave in mixes.
The first two samples are base colour. The next 9 samples are the base color added increasing amounts of white indicated above each color.
The last 4 samples are equal amounts of base color and a contrasting color mixed in two variants . The two are mixed in two variations with white.
Daler Rowney - System 3

619 - Cadmium Orange (hue)
X1: 142 - Phthalo Blue
X2: 123 - Ultramarine
Transparence:S
Permanence:***
Colour Index Name: PB29

619 - Cadmium Orange (hue) Grey
X1: 142 - Phthalo Blue
X2: 123 - Ultramarine
Transparence:S
Permanence:***
Colour Index Name: PB29

588 - Vermilion (hue)
X1: 361 - Phthalo Green
X2: 375 - Sap Green
Transparence: T
Permanence:***
Colour Index Name:PR9

588 - Vermilion (hue) Grey
X1: 361 - Phthalo Green
X2: 375 - Sap Green
Transparence: T
Permanence:***
Colour Index Name:PR9

504 - Cadmium Red Deep (hue)
X1: 123 - Ultramarine
X2: 651 - Lemon Yellow
Transparence: S
Permanence:***
Colour Index Name:PR112 / PR122

504 - Cadmium Red Deep (hue) Grey
X1: 123 - Ultramarine
X2: 651 - Lemon Yellow
Transparence: S
Permanence:***
Colour Index Name:PR112 / PR122

503 - Cadmium Red (hue)
X1: 361 - Phthalo Green
X2: 375 - Sap Green
Transparence: S
Permanence:***
Colour Index Name:P112

503 - Cadmium Red (hue) Grey
X1: 361 - Phthalo Green
X2: 375 - Sap Green
Transparence: S
Permanence:***
Colour Index Name:P112

412 - Process Magenta
X1: 361 - Phthalo Green
X2: 375 - Sap Green
Transparence: T
Permanence:***
Colour Index Name:PV19/112

651 - Lemon Yellow
X1: 504 Cadmium Red Deep (hue)
X2: 123 - Ultramarine
Transparence: T
Permanence:***
Colour Index Name:PY3-

651 - Lemon Yellow Grey
X1: 504 Cadmium Red Deep (hue)
X2: 123 - Ultramarine
Transparence: T
Permanence:***
Colour Index Name:PY3

675 - Process Yellow
X1: 412 -Process Magenta
X2: 408 - Deep Violet
Transparence: T
Permanence:***
Colour Index Name:PY74 / PY3

675 - Process Yellow Grey
X1: 412 -Process Magenta
X2: 408 - Deep Violet
Transparence: T
Permanence:***
Colour Index Name:PY74 / PY3

618 - Cadmium Yellow Deep (hue
X1: 412 -Process Magenta
X2: 408 - Deep Violet
Transparence: T
Permanence:***
Colour Index Name:PY83

618 - Cadmium Yellow Deep (hue
X1: 412 -Process Magenta
X2: 408 - Deep Violet
Transparence: T
Permanence:***
Colour Index Name:PY83

375 - Sap Green
X1: 412 -Process Magenta
X2: 503 Cadmium Red (hue)
Transparence: T
Permanence:***
Colour Index Name:PY74 / PG7 / PR101 Trans

367 - Oxide of Chromium Green
X1: 412 -Process Magenta
X2: 408 - Deep Violet
Transparence: O
Permanence:****
Colour Index Name:PG17

352 - Hooker’s Green
X1: 412 -Process Magenta
X2: 408 - Deep Violet
Transparence: S
Permanence:***
Colour Index Name:PG7 / PR101 Trans / PY73

361 - Phthalo Green
X1: 619 Cadmium Orange (hue)
X2: 503 Cadmium Red
Transparence: T
Permanence:***
Colour Index Name:PG7

120 - Process Cyan
X1: 618 - Cadmium Yellow Deep (hue
X2: 619 Cadmium Orange (hue)
Transparence: T
Permanence:***
Colour Index Name: PB15:3/PG7

112 - Coeruleum Blue (hue)
X1: 619 Cadmium Orange (hue)
X2: 588 Vermilion (hue)
Transparence: O
Permanence:***
Colour Index Name: PB15:3/PW5/PY184

110 - Cobalt Blue (hue)
X1: 618 - Cadmium Yellow Deep (hue
X2: 619 Cadmium Orange (hue)
Transparence: O
Permanence:***
Colour Index Name: PB29/PW6

123 - Ultramarine
X1: 651 Lemon Yellow
X2: 504 Cadmium Red Deep
Transparence: S
Permanence:***
Colour Index Name: PB29

134 - Prussian Blue (hue)
X1: 675 Process Yellow
X2: 618 - Cadmium Yellow Deep (hue
Transparence: S
Permanence:***
Colour Index Name:
PB29/PB15/PBk7

142 - Phthalo Blue
X1: 675 Process Yellow
X2: 619 Cadmium Orange (hue)
Transparence: T
Permanence:***
Colour Index Name:
PB15:3

408 - Deep Violet
X1: 675 Process Yellow
X2: 618 - Cadmium Yellow Deep (hue
Transparence: S
Permanence:***
Colour Index Name:
PV23

663 - Yellow Ochre
X1: 412 -Process Magenta
X2: 408 - Deep Violet
Transparence: S
Permanence:****
Colour Index Name:
PY42

221 - Burnt Sienna
X1: 123 - Ultramarine
X2: 110 - Cobalt Blue (hue)
Transparence: T
Permanence:****
Colour Index Name:
PR101 Trans

247 - Raw Umber
X1: 123 - Ultramarine
X2: 110 - Cobalt Blue (hue)
Transparence: S
Permanence:****
Colour Index Name:
PBr7

223 - Burnt Umber
X1: 123 - Ultramarine
X2: 110 - Cobalt Blue (hue)
Transparence: T
Permanence:****
Colour Index Name:
PR101 Trans/PBk7