Closest web-safe match: #FF6633

Color Details and Palettes for #EF6621

Details about the color Light My Fire#EF6621

Conversions, palettes, contrast & design ideas for this color.

Vermilion family Warm WCAG ink: white
HEX #EF6621 RGB rgb(239, 102, 33) HSL hsl(20, 87%, 53%) CMYK cmyk(0%, 57%, 86%, 6%)

Color profile

About Color Hex #EF6621

#EF6621 is a warm color from the Vermilion family, closest in name to “Light My Fire”. In RGB it is rgb(239, 102, 33); in HSL, hsl(20, 87%, 53%).

The color Light My Fire, with hexadecimal code #ef6621, sits in the orange color family, typically linked to enthusiasm, creativity, and warmth. Orange hues stimulate appetite and social interaction, which is why food brands and community platforms favor them. Additionally, it evokes emotions such as Enthusiasm, Warmth, Motivation and Adventure. Orange is associated with spirituality and courage in some cultures, such as in Hinduism and Buddhism. In Western cultures, it often represents autumn, harvest, and creativity. With a high saturation of 87%, this color is intensely vivid—demanding attention and ideal for focal elements like buttons, banners, and brand marks. With a mid-range lightness of 53%, it offers excellent versatility—readable as text on light backgrounds and visible as an element on dark ones. This color is ideal for designs that aim to express Enthusiasm, Warmth, Motivation, or Adventure. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

Key facts

RGB 239, 102, 33 red · green · blue HSL 20° 87% 53% hue · sat · light HSV 20° 86% 94% design-app pickers CMYK 0 57 86 6 print inks, % Luminance 0.280 0 dark → 1 light On black 6.59:1 ✓ AA contrast ratio On white 3.19:1 ✕ AA contrast ratio Web-safe #FF6633 closest web-safe Best text black ideal foreground Character Vivid warm · vermilion family

The story of this color

History, Usage, Psychology & Design Ideas for #EF6621

Light My Fire (#EF6621) belongs to the Vermilion color family.

This vivid mid-tone strikes the ideal balance between intensity and readability, making it a strong candidate for primary brand colors, interactive UI elements, and logo design where immediate recognition is essential.

Historical Background

Vermilion—a brilliant red-orange pigment—was synthesized from mercury sulfide (cinnabar) as early as 8000 BC in Anatolia. Chinese artisans perfected synthetic vermilion around the 4th century BC, using it in lacquerware, seals, and religious manuscripts. In medieval Europe, vermilion illuminated the capital letters of sacred texts, literally giving us the word 'rubric' (from Latin ruber, red).

Design & Usage Tips

Vermilion bridges the intensity of red with the warmth of orange, making it ideal for food and beverage branding where appetite appeal matters. It pairs well with dark olive green for autumnal themes or with navy blue for a classic nautical palette. Avoid using vermilion for error states, as users may confuse it with orange warnings.

Positioned on the warm side of the color wheel (hue 20°), it naturally draws the eye and creates a sense of closeness—making it effective for calls to action, food photography, and hospitality branding. At 87% saturation, this is a highly vivid color that demands attention. Use it where maximum visual impact is needed—feature banners, accent buttons, and data-visualization highlights.

Psychological Impact

Vermilion projects confidence, vitality, and creative ambition. Its warm red-orange lean makes it feel more approachable and less aggressive than pure red, which is why lifestyle and travel brands favor it for invitations to adventure.

With a mid-range lightness of 53%, this tone is highly versatile: dark enough to serve as body text on white, yet light enough to stand out on charcoal or navy backgrounds.

Creative Design Ideas

Use vermilion as a header accent stripe above charcoal photography for editorial impact. In interior design, a single vermilion accent wall energizes a neutral room. For digital products, vermilion hover states on cards create engaging micro-interactions.

Every format

#EF6621 Color Conversions

Every way to write Light My Fire — one-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#EF6621

Hexadecimal is the web’s universal color notation — two digits each for red, green and blue. Drop it straight into HTML, CSS or any design tool.

RGB Screen
rgb(239, 102, 33)

RGB is the additive Red-Green-Blue model every screen uses to emit light. The default choice for websites, apps and on-screen UI.

HSL Web
hsl(20, 87%, 53%)

HSL breaks a color into Hue, Saturation and Lightness — the most intuitive way to lighten, darken or mute a color in CSS.

HSV HSB Design
hsv(20, 86%, 94%)

HSV (also called HSB) maps Hue, Saturation and Value/Brightness. It is the model behind the color pickers in Photoshop, Figma and most design apps.

HWB CSS 4
hwb(20 13% 6%)

HWB blends a pure hue with Whiteness and Blackness — a painter-friendly model added in CSS Color 4 for quick tints and shades.

CMYK Print
cmyk(0%, 57%, 86%, 6%)

CMYK is the subtractive Cyan-Magenta-Yellow-Black ink model. Use these values when preparing artwork for a printer or commercial press.

OKLCH Modern
oklch(67.26% 0.185 42.96)

OKLCH is a modern, perceptually-uniform space (Lightness, Chroma, Hue). It powers smooth gradients and accessible palettes in today’s CSS.

OKLab Modern
oklab(67.26% 0.135 0.126)

OKLab is the Cartesian form of OKLCH — ideal for blending and interpolating colors without the muddy midpoints older spaces produce.

CIELAB L*a*b* Perceptual
L: 59.86, a: 49.66, b: 60.65

CIELAB is a device-independent, perceptually-uniform space. It is the standard for measuring color difference (ΔE) and matching across devices.

LCH Perceptual
L: 59.86, C: 78.39, H: 50.69

LCH is CIELAB in cylindrical form — Lightness, Chroma and Hue — letting you adjust vividness and hue while staying perceptually even.

XYZ CIE Science
X: 40.62, Y: 27.96, Z: 4.70

CIE XYZ is the 1931 master space that underpins every other model here — the scientific bridge used to convert between color systems.

Decimal int Code
15689249

The 24-bit integer value of the color — handy for databases, APIs, game engines and low-level graphics code.

Channel breakdown

RGB Color Percentages for #EF6621

How much red, green and blue light mixes into Light My Fire.

Red 239/255 63.9% Green 102/255 27.3% Blue 33/255 8.8%

Percentages show each channel's share of the total light (R + G + B) in Light My Fire.

Ink coverage

CMYK Ink Levels & Print Guide for #EF6621

Ink needed to reproduce Light My Fire in four-color print. Heaviest ink: Yellow.

0% CYAN 57% MAGENTA 86% YELLOW 6% KEY

Print tip: treat these values as a starting point — final output depends on printer profile, paper stock and calibration.

Accessibility · WCAG

Luminance & Contrast for #EF6621

How bright Light My Fire is, and how far black and white text clear each WCAG bar.

Relative luminance 0.280
0 · dark1 · light

Contrast ratio · 1:1 → 21:1 (log scale)

Aa Black text 6.59:1 ✓ AA ✕ AAA ✓ Large
Aa White text 3.19:1 ✕ AA ✕ AAA ✓ Large

Developer shortcuts

Quick CSS Snippets for #EF6621

Copy-and-paste CSS for Light My Fire — per-line copy, or grab the whole block.

light-my-fire.css
background-color: #EF6621;
color: #EF6621;
border: 2px solid #EF6621;
background-color: rgb(239, 102, 33);
background-color: hsl(20, 87%, 53%);
--color: #EF6621;

Shades · light to dark

#EF6621 Monochrome Palette

Lighter and darker steps of Light My Fire — the color's full brightness range in one strip.

#FDF0E9
#FBD9C8
#F9C2A6
#F6AB85
#F49464
#F17D42
#EF6621
#CB571C
#A74717
#833812
#60290D
#3C1A08
#180A03

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 180° apart

#EF6621 Complementary Palette

Two colors opposite on the wheel — maximum contrast for attention-grabbing accents.

#EF6621
#1FAAEF

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · adjacent hues

#EF6621 Analogic Palette

Neighboring hues on the wheel — harmonious, calm combinations that feel unified.

#EF6621
#EFCD1F
#EF1F42
#AAEF1F
#EF1FAA
#42EF1F
#CD1FEF

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 120° apart

#EF6621 Triadic Palette

Three colors evenly spaced on the wheel — vibrant and energetic, yet balanced.

#EF6621
#1FEF64
#641FEF

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 90° apart

#EF6621 Quad Palette

Four colors evenly spaced on the wheel (tetradic) — rich schemes with multiple accents.

#EF6621
#42EF1F
#1FAAEF
#CD1FEF

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Accessibility

Color Blindness Simulation for #EF6621

How Light My Fire reads across five kinds of color vision — a ✓ Friendly verdict means the color difference stays distinguishable for that vision type.

#EF6621
#BCC636
#B4B232
#E83F42
#7E7E7E
Normal vision full color Deuteranopia green weakness ✕ Not friendly Protanopia red weakness ✕ Not friendly Tritanopia blue-yellow weakness ✕ Not friendly Achromatopsia total color blindness ✕ Not friendly

The dot marks the original color. Hover any shade to copy its hex.

Harmony overview

Color Harmonies for #EF6621

The lead color from each harmony scheme, side by side — a shortcut to the full palettes above.

#1FAAEF
#EFCD1F
#1FEF64
#42EF1F
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#EF6621 Nearby Colors

A step away in brightness, richness or shade — each still feels like the same color.

Temptatious Tangerine#FF7733
War Paint Red#DD5511
Mango Tango#FF8844
Mellow Mango#CC4400
Honey Teriyaki#EE6611
Flaming Orange#EE6633
Martian Colony#DD7700
Orange Soda#FF5533

From the color-name library

Colors Similar to #EF6621

The closest named colors to #EF6621 — same mood, each with its own character.

Light My Fire#F8611A
Honey Teriyaki#EE6611
Basketball#EE6730
Vibrant Orange#FF6216
Lava Pit#E46F34
Plastic Carrot#F65D20
Orange Piñata#FF6611
Vivid Orange#FF5F00
Poppy Flower#EC5800
24 Carrot#E56E24
Flaming Orange#EE6633
Molten Core#FF5800

Looking for more Orange shades? Browse Orange colors →

Inspiration

Explore Vibrant Images Featuring Light My Fire (#ef6621)

Curated Unsplash photos that carry the mood of Light My Fire — hover any tile to download it or view the original.

Good to know

Frequently Asked Questions about #EF6621

#EF6621 is a warm color from the Vermilion family. Its closest matched name is “Light My Fire”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(239, 102, 33); in HSL, hsl(20, 87%, 53%).
In RGB, #EF6621 is rgb(239, 102, 33); in HSL it is hsl(20, 87%, 53%); and in CMYK — the model used for print — it is cmyk(0%, 57%, 86%, 6%).
#EF6621 has a contrast ratio of 6.59:1 against black and 3.19:1 against white. For readability, black body text meets the WCAG AA threshold of 4.5:1 on it, while white does not.
The direct complement of #EF6621 is #1FAAEF (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #EF6621 in the palette sections above.