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#E16537 Color

#E16537 is rgb(225, 101, 55) in RGB, hsl(16, 74%, 55%) in HSL, and about cmyk(0%, 55%, 76%, 12%) in CMYK. It has no registered color name of its own — the closest is Medium Vermilion (#D9603B), clearly related but distinguishable side by side at ΔE 5.17. Black text is the more readable choice on this background.

#E16537
HEX#E16537
RGBrgb(225, 101, 55)
HSLhsl(16, 74%, 55%)
HSVhsv(16, 76%, 88%)
CMYKcmyk(0%, 55%, 76%, 12%)
OKLCHoklch(65.2% 0.166 39.9)
LABlab(58.33% 47.43 49.40)
LCHlch(58.33% 68.48 46.16)

What #E16537 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #E16537, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Medium Vermilion#D9603BΔE 5.17Mandarin#F37A48ΔE 7.3Vivid Red-tangelo#DF6124ΔE 7.47Vivid Vermilion#E56024ΔE 9.09Coral#FF7F50ΔE 9.68Flame#E25822ΔE 9.7

Browse the full index of named colors A-Z or every orange in the library.

#E16537 Channel Values

How #E16537 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 225 · G 101 · B 558-bit channels as sent to the display
HSLH 16° · S 74% · L 55%Easiest model for building lighter and darker variants
HSVH 16° · S 76% · V 88%Matches the picker in most design tools
CMYKC 0% · M 55% · Y 76% · K 12%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.43:1 vs white · 6.12:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #E16537 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text3.43:1AA normal AA large AAA normal
TextBlack text6.12:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #E16537 in the contrast checker.

Colors That Go With #E16537

Pairings derived from color-wheel relationships. The complementary color sits opposite #E16537; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#E16537
Complementary
#37B4E1
Analogous
#E1375F
Analogous
#E1BA37
Triadic
#37E165
Triadic
#6537E1
Split comp.
#37E1BA
Split comp.
#375FE1

Tints & Shades of #E16537

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#E57952
#E98E6D
#EDA287
#F2BAA6
#F6CFC1
#FAE4DC

Shades

#D55020
#B1431B
#923716
#732B11
#54200D
#311207

Want a full 50-950 ramp with semantic roles? Generate design tokens from #E16537.

How #E16537 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#E16537
Protanopia#858535
Protanomaly#B27A36
Deuteranopia#9D9D28
Deuteranomaly#BC8A2E
Tritanopia#E36161
Tritanomaly#E26253
Achromatopsia#8A8A8A

Test a full palette in the color blindness simulator.

Using #E16537 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-e16537: #E16537;
CSS backgroundbackground-color: #E16537;
Tailwind configcolors: { 'color-e16537': '#E16537' }
SwiftUIColor(red: 0.882, green: 0.396, blue: 0.216)
Android XML<color name="color_e16537">#E16537</color>
SVG fillfill="#E16537"

More Orange Colors

#E16537 sits in the orange family. These are its neighbours across that family's full range, each with its own breakdown.

8b7d6bfff9f5967969fff9f0987456fff8f0987654fff8eb9b7653fff7ed9c8b6efff7ebc8ad7fdba875e3dac9eba675f1ddcff8dcd3fcf5eeff681fff9933ffb83dffd68affe7d1

#E16537 Frequently Asked Questions

What color is #E16537?

#E16537 is a mid-tone orange — rgb(225, 101, 55) in RGB and hsl(16, 74%, 55%) in HSL. It carries no registered color name of its own; the closest named color is Medium Vermilion (#D9603B), which is clearly related but distinguishable side by side at a CIE76 distance of 5.17.

What is the RGB value of #E16537?

#E16537 is rgb(225, 101, 55) — red 225, green 101, and blue 55 on the 0-255 scale.

What is the CMYK value of #E16537?

#E16537 converts to approximately cmyk(0%, 55%, 76%, 12%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #E16537 be black or white?

Black text is the more readable choice. #E16537 scores 3.43:1 against white and 6.12:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #E16537 as a CSS color keyword?

No. #E16537 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is coral (#FF7F50) at a CIE76 distance of 9.68, which is clearly related but distinguishable side by side.

Open #E16537 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every orange in the color library, the guide to shades of orange, or the full color library.