# 色を暗くする¶

## 焼き込み¶

ヒント

This blending mode is called "Burn" in English.

1_{[1_暗いグレー(0.4, 0.4, 0.4)] / 明るいグレー(0.5, 0.5, 0.5)} = (-0.2, -0.2, -0.2) → 黒(0, 0, 0)

1_{[1_ライトブルー(0.1608, 0.6274, 0.8274)] / オレンジ(1, 0.5961, 0.0706)} = (0.1608, 0.3749, -1.4448) → 緑(0.1608, 0.3749, 0)

## Easy Burn¶

ヒント

This blending mode is called "Easy Burn" in English.

## Fog Darken (IFS Illusions)¶

ヒント

This blending mode is called "Fog Darken (IFS Illusions)" in English.

Darken the image in a way that there is a 'fog' in the end result. This is due to the unique property of Fog Darken in which midtones combined are lighter than non-midtones blend.

## 色を暗くする¶

ヒント

This blending mode is called "Darken" in English.

With Darken, the upper layer's colors are checked for their lightness. Only if they are darker than the underlying color on the lower layer, will they be visible.

オレンジ(1, 0.5961, 0.0706) は ライトブルー(0.1608, 0.6274, 0.8274) よりも暗い？ = (いいえ, はい, はい) → 緑(0.1608, 0.5961, 0.0706)

## 明度を下げる¶

ヒント

This blending mode is called "Darker Color" in English.

## ガンマダーク¶

ヒント

This blending mode is called "Gamma Dark" in English.

1を上のレイヤーで割り算し、それを下のレイヤーの指数として結果を計算します。

ライトブルー(0.1608, 0.6274, 0.8274)^[1 / オレンジ(1, 0.5961, 0.0706)] = グリーン(0.1608, 0.4575, 0.0683)

## 焼き込み(リニア)¶

ヒント

This blending mode is called "Linear Burn" in English.

[暗いグレー(0.4, 0.4, 0.4) + 明るいグレー(0.5, 0.5, 0.5)]_1 = (-0.1000, -0.1000, -0.1000) → 黒(0, 0, 0)

[ライトブルー(0.1608, 0.6274, 0.8274) + オレンジ(1, 0.5961, 0.0706)]_1 = (0.1608, 0.2235, -0.1020) → ダークグリーン(0.1608, 0.2235, 0)

## 色調 (IFS Illusions)¶

ヒント

This blending mode is called "Shade (IFS Illusions)" in English.