682221

COLOR
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S 5540-Y90R

NCS Natural Colour System
sRGB Model ? COPY
R 104
G 34
B 33
HSL Model ? COPY
H 1°
S 52%
L 27%
CMYK Print ? COPY
C 0
M 67
Y 68
K 59
CIE-Lab ? COPY
L 24.31
a 31.29
b 17.6
CIE-XYZ ? COPY
X 6.56
Y 4.2
Z 1.9
OKLCH (Next-Gen) ? COPY
L 35.96%
C 0.101
H 24.4
HSB Model ? COPY
H 1°
S 68%
B 41%
HWB Model ? COPY
H 1°
W 13%
B 59%
CIE-LUV ? COPY
L 24.31
u 47.65
v 10.69

WCAG Accessibility Score

Sample Text
11.42
AA: PASS / AAA: PASS
Sample Text
1.84
AA: FAIL / AAA: FAIL

Vision Simulation

Protanopia #494921
Deuteranopia #4d5321
Tritanopia #642121
Achromatopsia #363636

TINTS

TONES

Physical Match

Closest Standard Match

RAL 3011

SET: 德国RAL-Classic
DELTA E: 1.68

HARMONIES

Complementary
Analogous
Split Complementary
Triadic
Tetradic
Monochromatic

Smart Gradients

COPY CSS
Basic Light
COPY CSS
Deep Gravity
COPY CSS
Aurora Flow
COPY CSS
Cyber Clash
COPY CSS
Soft Mist

Description

Y90R

Developer Handoff

CSS Variables 
:root {
  --s-5540-y90r: #682221;
}
Tailwind Config 
colors: {
  's-5540-y90r': '#682221',
}
SCSS / Sass 
$s-5540-y90r: #682221;
Design Token 
{
    "name": "S 5540-Y90R",
    "value": "#682221"
}

UI Application / Simulation

Real-time UI Preview

View the actual rendering effect of this color in dashboards, mobile apps, chat interfaces, calendars, etc.
Click to open full-screen immersive preview.

Open UI Kit

Similar Colors

Bronze Red
#6C2322
Dark Red
#681C23
RAL 3011
#6E2124
RAL 3004-P
#6B1C23
Mulan
#662B1F