Color converter

HEX to YCbCr and YCbCr to HEX

Type a HEX value or a YCbCr value, and the other one appears as you type. Every other notation of the same color is listed below, with each step of the maths.

Example: #D3AF37

Example: ycbcr(172.08 61.93 155.76)

The converter needs JavaScript. The values shown are for #D3AF37, and the worked examples below read without it.

Result

Inside sRGB

HEX
#D3AF37
YCbCr
ycbcr(172.08 61.93 155.76)
RGB
rgb(211 175 55)
HSL
hsl(46.2 63.9% 52.2%)
OKLCH
oklch(76.55% 0.13847 91.55)

Color converters

Every format at once

The same color in every notation the converters know. Each name opens its own converter.

The color in every format
FormatValueCopy
Web and CSS
HEX CSS#D3AF37
RGB CSSrgb(211 175 55)
sRGB (0 to 1) CSScolor(srgb 0.8275 0.6863 0.2157)
Linear sRGB CSScolor(srgb-linear 0.65141 0.42869 0.0382)
HSL CSShsl(46.2 63.9% 52.2%)
HSV (HSB) Notationhsv(46.2 73.9% 82.7%)
HWB CSShwb(46.2 21.6% 17.3%)
CSS color name CSSgoldenrodNearest ΔE00 5.00
Perceptual and CIE
OKLCH CSSoklch(76.55% 0.13847 91.55)
OKLab CSSoklab(76.55% -0.00375 0.13842)
CIELAB CSSlab(73.19 4.7 62.68)
CIE LCH CSSlch(73.19 62.86 85.71)
CIE XYZ (D65) CSScolor(xyz-d65 0.42882 0.44786 0.1)
CIE XYZ (D50) CSScolor(xyz-d50 0.45463 0.45457 0.07797)
CIE xyY NotationxyY(0.43906 0.45855 0.44786)
CIELUV Notationluv(72.75 30.75 69)
Wide gamut
Display P3 CSScolor(display-p3 0.80472 0.69157 0.30739)
Rec. 2020 CSScolor(rec2020 0.74174 0.66017 0.25864)
Adobe RGB (1998) CSScolor(a98-rgb 0.78545 0.68035 0.26584)
ProPhoto RGB CSScolor(prophoto-rgb 0.67408 0.63343 0.26964)
Print and paint
CMYK Notationcmyk(0% 17.1% 73.9% 17.3%)
RAL Classic NotationRAL 1032 Broom yellowNearest ΔE00 3.02
Video
YCbCr (JPEG, BT.601) Notationycbcr(172.08 61.93 155.76)
YCbCr (HD video, BT.709) Notationycbcr709(165.43 71.67 148.64)
Code and platforms
Decimal integer Notation13872951
Android and Flutter ARGB Notation0xFFD3AF37
Android color int Notation-2904265
SwiftUI and UIKit NotationColor(red: 0.8275, green: 0.6863, blue: 0.2157)
GLSL vec3 / vec4 Notationvec3(0.8275, 0.6863, 0.2157)
Embedded and terminal
RGB565 Notation0xD567Lossy
ANSI 256 (xterm) Notation38;5;178Nearest ΔE00 3.11

Every step of the maths

How HEX becomes YCbCr

Each step shows the values for the color above, as the converter computes them.

  1. Start Hex digits #D3AF37
  2. Back 8-bit channels each pair of digits read as a byte 211 175 55
  3. Then Luma and two color differences Y = 0.299 R + 0.587 G + 0.114 B; Cb = 128 + (B − Y) × 0.564; Cr = 128 + (R − Y) × 0.713 ycbcr(172.08 61.93 155.76)

YCbCr

About YCbCr

YCbCr splits a color into luma, Y, and two color differences, Cb toward blue and Cr toward red, so images can store color at lower resolution than brightness. This form is JPEG's: BT.601 weights over the full 0 to 255 range.

How this page writes it

  • Luma weighs the gamma-encoded red, green and blue by 0.299, 0.587 and 0.114; Cb and Cr are centered on 128. Written to two decimal places.

Watch for

  • Video uses other variants, with BT.709 weights and a studio range of 16 to 235 for luma; values from one do not match another.

Worked examples

HEX to YCbCr

Each row is the converter's own output, and a test re-runs every row.

Each example, converted
ColorHEXYCbCr
White#FFFFFFycbcr(255 128 128)
Black#000000ycbcr(0 128 128)
Middle gray#808080ycbcr(128 128 128)
Red#FF0000ycbcr(76.24 84.97 255.5)
Green#00FF00ycbcr(149.69 43.53 21.23)
Blue#0000FFycbcr(29.07 255.5 107.27)
Royal blue#2563EBycbcr(95.97 206.46 85.94)
Gold#D3AF37ycbcr(172.08 61.93 155.76)

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Method

Sources and testing

  • Conversions run in your browser with the site's shared color code; nothing you type is sent anywhere.
  • An automated test recomputes every value on this page and reads every format back.
  • Checked with a keyboard, the axe engine and Playwright in Chromium, in light and dark themes at phone and desktop widths. It has not yet been checked with a screen reader.

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