FF4F00

COLOR
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International Orange

Color Psychology & Meanings / guo ji cheng
sRGB Model ? COPY
R 255
G 79
B 0
HSL Model ? COPY
H 19°
S 100%
L 50%
CMYK Print ? COPY
C 0
M 69
Y 100
K 0
CIE-Lab ? COPY
L 58.84
a 64.32
b 69.56
CIE-XYZ ? COPY
X 44.04
Y 26.85
Z 2.86
OKLCH (Next-Gen) ? COPY
L 66.96%
C 0.222
H 37.4
HSB Model ? COPY
H 19°
S 100%
B 100%
HWB Model ? COPY
H 19°
W 0%
B 0%
CIE-LUV ? COPY
L 58.84
u 144.52
v 47.68

WCAG Accessibility Score

Sample Text
3.3
AA: FAIL / AAA: FAIL
Sample Text
6.37
AA: PASS / AAA: FAIL

Vision Simulation

Protanopia #b2b113
Deuteranopia #bdca17
Tritanopia #f62225
Achromatopsia #7a7a7a

TINTS

TONES

Physical Match

Closest Standard Match

Orange 021 C

SET: 潘通专色铜版色卡
DELTA E: 0.25

HARMONIES

Complementary
Analogous
Split Complementary
Triadic
Tetradic
Monochromatic

Smart Gradients

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

Description

International Orange

Developer Handoff

CSS Variables 
:root {
  --international-orange: #FF4F00;
}
Tailwind Config 
colors: {
  'international-orange': '#FF4F00',
}
SCSS / Sass 
$international-orange: #FF4F00;
Design Token 
{
    "name": "International Orange",
    "value": "#FF4F00"
}

UI Application / Simulation

Real-time UI Preview

View the actual rendering effect of this color in dashboards, mobile apps, chat interfaces, calendars, etc.
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Open UI Kit

Similar Colors

#FF4F00
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Orange 021 C
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