Phrase your query with or without commas, brackets, colons, semi-colons:

• - For Hexadecimal values, just type: #ff0000 or ff0000 or f00.
• - For RGB values: rgb 166 83 0 or red 166 green 83 blue 0 or r 166 g 83 b 0 or rgb 65.1%, 32.5%, 0%.
• - For CMYK values: cmyk 11 100 0 42 or cyan 11 magenta 100 yellow 0 black 42 (or key 42) or c 11 m 100 y 0 k 42.
• - For HSL or HSV values: hsl (or hsv) 203.5 100 29 or hue 203.5 saturation 100 lightness 29 (or value 29) or h 203.5 s 100 l 29 (or v 29).
• - For XYZ, xyY, CIE-LAB, CIE-LCH, CIE-LUV or Hunter-Lab values: XYZ (or xyY/lab/lch/luv/hlab) 7.044, 0.294, 0.139.
• - For binaries values: 10100110 01010011 00000000.
• - For wavelength values: 545nm or wavelength 545.

And simply use correct values:

• - Hexadecimal: 000000 to FFFFFF.
• - RGB: R,G,B = 0 to 255 or 0 to 100%.
• - CMYK: C,M,Y,K = 0 to 1 or 0 to 100%.
• - HSL/HSV: H = 0° to 360°, and S,L/V = 0 to 100%.
• - Binary: 00000000 to 11111111.