615D59

COLOR
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Black U

Pantone Solid Uncoated / Formula Guide Solid Uncoated
sRGB Model ? COPY
R 97
G 93
B 89
HSL Model ? COPY
H 30°
S 4%
L 36%
CMYK Print ? COPY
C 0
M 4
Y 8
K 62
CIE-Lab ? COPY
L 39.73
a 0.8
b 2.86
CIE-XYZ ? COPY
X 10.65
Y 11.09
Z 11.03
OKLCH (Next-Gen) ? COPY
L 48.08%
C 0.008
H 67.6
HSB Model ? COPY
H 30°
S 8%
B 38%
HWB Model ? COPY
H 30°
W 35%
B 62%
CIE-LUV ? COPY
L 39.73
u 2.51
v 3.49

WCAG Accessibility Score

Sample Text
6.53
AA: PASS / AAA: FAIL
Sample Text
3.22
AA: FAIL / AAA: FAIL

Vision Simulation

Protanopia #5f5f59
Deuteranopia #5f5f5a
Tritanopia #605a5a
Achromatopsia #5d5d5d

TINTS

TONES

Physical Match

Closest Standard Match

RAL 850-M

SET: 德国RAL-Effect
DELTA E: 0.68

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

Developer Handoff

CSS Variables 
:root {
  --black-u: #615D59;
}
Tailwind Config 
colors: {
  'black-u': '#615D59',
}
SCSS / Sass 
$black-u: #615D59;
Design Token 
{
    "name": "Black U",
    "value": "#615D59"
}

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

RAL 850-M
#625E59
10396 C
#5F5C58
P 178-14 U
#5F5E57
Iron Gray
#625B57
553
#626059