FF4F00

COLOR
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#FF4F00

Global Brand Color Library
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

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

Description

Zapier

Developer Handoff

CSS Variables 
:root {
  --ff4f00: #FF4F00;
}
Tailwind Config 
colors: {
  'ff4f00': '#FF4F00',
}
SCSS / Sass 
$ff4f00: #FF4F00;
Design Token 
{
    "name": "#FF4F00",
    "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.
Click to open full-screen immersive preview.

Open UI Kit

Similar Colors

International Orange
#FF4F00
81
#FE5000
Orange 021 C
#FE5000
Vermilion
#FF4D00
Zhuhong
#FF4C00