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orange · warm

#633607

a deep, electric orange · warm · closest name: Saddle Brown

Token name suggestion: Ink Clay

RGB
99, 54, 7
HSL
31°, 87%, 21%
CMYK
0, 46, 93, 61
Luminance
0.0531

#633607 is a deep electric orange, 31° on the wheel and 1/100 on the cool side. Put white text on it (10.19:1). As text it scores 10.19:1 on white — safe at any size. Nearest name is Saddle Brown, nearest Tailwind family is stone.

hsl(31 87% 21%)rgb(99 54 7)Base step 900AAA inkWarm

At a glance

Every number on this page in one read: what #633607 is made of, how bright it looks, and which way it leans.

Hex
#633607
Hue
31°
orange
Saturation
87%
electric
Lightness
21%
deep
Brightness
39%
HSV value
Perceived
27%
weighted brightness
Luminance
0.0531
WCAG relative
Temperature
Warm
1/100 cool
Color family
Orange
Tone
Electric
Best ink
White
10.19:1
Closest name
Saddle Brown
ΔE2000 9.5
Chroma
38.7
LCH, 0–130ish
OKLCH L
0.382
perceptual lightness
Tailwind
stone
500 · ΔE 25.2
Web-safe
#663300
nearest of 216
Where it sits
Hue31° of 360°
Saturation87%
Lightness21%
Saturation × lightness field

Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #633607.

Temperature
Warm ← → Cool1% cool

Reads warm. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Luminance by channel
Red50%
Green50%
Blue0%

Green carries most of what the eye calls brightness — that is why WCAG weights it 0.7152.

Every format

HEX#633607
HEX (8-digit)#633607ff
RGBrgb(99, 54, 7)
RGBArgba(99, 54, 7, 1)
HSLhsl(31, 87%, 21%)
HSV / HSBhsv(31, 93%, 39%)
HWBhwb(31 3% 61%)
CMYKcmyk(0%, 46%, 93%, 61%)
LABlab(27.6 16.6 35.0)
LCHlch(27.6 38.7 64.6)
OKLCHoklch(0.382 0.085 59.7)
XYZ (D65)xyz(6.50, 5.31, 0.88)
Decimal6501895
Display P3color(display-p3 0.388 0.212 0.027)
Web-safe#663300

Copy-ready code

every platformclick to select
/* CSS */
color: #633607;
background-color: #633607;
/* CSS custom property */
--brand: #633607;
/* Tailwind (arbitrary) */
class="text-[#633607] bg-[#633607]"
/* SCSS */
$brand: #633607;
/* SwiftUI */
Color(red: 0.388, green: 0.212, blue: 0.027)
/* UIKit */
UIColor(red: 0.388, green: 0.212, blue: 0.027, alpha: 1)
/* Android XML */
<color name="brand">#633607</color>
/* Android Compose */
Color(0xFF633607)
/* Flutter */
Color(0xFF633607)
/* Python / OpenCV (BGR) */
(7, 54, 99)
/* Python / PIL (RGB) */
(99, 54, 7)
/* Java AWT */
new Color(99, 54, 7)
/* .NET */
Color.FromArgb(255, 99, 54, 7)
/* OpenGL / Unity (0–1) */
(0.3882f, 0.2118f, 0.0275f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{99,54,7}
modern cssclick to select
/* mix without leaving CSS */
background: color-mix(in oklab, #633607 85%, white);
border-color: color-mix(in oklab, #633607 40%, transparent);
/* theme-aware in one line */
color: light-dark(#774108, #EEE1D3);
/* relative colour syntax */
--hover: hsl(from #633607 h s calc(l - 7));

Design tokens

The same ramp in the four formats a team actually needs. Paste one and the whole palette lands with it.

css custom propertiesclick to select
:root {
  --brand-50: #FDF7F2;
  --brand-100: #FAF0E5;
  --brand-200: #F7DEC4;
  --brand-300: #F8C896;
  --brand-400: #F4AD62;
  --brand-500: #F0912D;
  --brand-600: #E57D10;
  --brand-700: #BF680D;
  --brand-800: #98530B;
  --brand-900: #633607;
  --brand-950: #452708;
  --brand: #633607;
  --brand-ink: #ffffff;
  --brand-surface: #FAF7F4;
  --brand-border: #EDD7C0;
  --brand-hover: #422405;
  --brand-pressed: #201202;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand-surface: #241C14;
    --brand-ink: #EEE1D3;
  }
}
tailwind.config.jsclick to select
theme: {
  extend: {
    colors: {
      brand: {
        50: '#FDF7F2',
        100: '#FAF0E5',
        200: '#F7DEC4',
        300: '#F8C896',
        400: '#F4AD62',
        500: '#F0912D',
        600: '#E57D10',
        700: '#BF680D',
        800: '#98530B',
        900: '#633607',
        950: '#452708',
        DEFAULT: '#633607',
      },
    },
  },
}
scss mapclick to select
$brand: (
  '50': #FDF7F2,
  '100': #FAF0E5,
  '200': #F7DEC4,
  '300': #F8C896,
  '400': #F4AD62,
  '500': #F0912D,
  '600': #E57D10,
  '700': #BF680D,
  '800': #98530B,
  '900': #633607,
  '950': #452708,
);
$brand-base: #633607;
$brand-ink: #ffffff;

@function brand($step) { @return map-get($brand, $step); }
w3c design tokens (json)click to select
{
  "color": {
    "brand": {
      "50": { "$value": "#FDF7F2", "$type": "color" },
      "100": { "$value": "#FAF0E5", "$type": "color" },
      "200": { "$value": "#F7DEC4", "$type": "color" },
      "300": { "$value": "#F8C896", "$type": "color" },
      "400": { "$value": "#F4AD62", "$type": "color" },
      "500": { "$value": "#F0912D", "$type": "color" },
      "600": { "$value": "#E57D10", "$type": "color" },
      "700": { "$value": "#BF680D", "$type": "color" },
      "800": { "$value": "#98530B", "$type": "color" },
      "900": { "$value": "#633607", "$type": "color" },
      "950": { "$value": "#452708", "$type": "color" }
    },
    "brandInk": { "$value": "#ffffff", "$type": "color" }
  }
}

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#ffffff on #633607 · 10.19:1
Use #ffffffAAA at every size.
Aa
12px
Aa
16px
Aa
24px
Aa
White text · 10.19:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 2.06:1
AA fail · AA large fail · AAA fail
Reading the other direction: #633607 as text scores 10.19:1 on white and 2.06:1 on black.
Best tinted ink on it, if plain black or white feels flat: #FDF3E7 at 9.29:1.

Make it accessible

A contrast checker tells you that you failed. This tells you what to ship instead — same hue, same saturation, lightness moved only as far as WCAG demands.

The quick fox
#633607 · 10.19:1
AA on whitealready passes
#633607
The quick fox
#633607 · 10.19:1
AAA on whitealready passes
#633607
The quick fox
#AF600C · 4.50:1
AA on black+16% L
#AF600C
The quick fox
#E47C10 · 7.19:1
AAA on black+27% L
#E47C10

Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #633607 is enough for headings on white. Non-text elements such as icons, chart strokes and focus rings also sit at 3:1 under WCAG 2.2 (1.4.11).

Accessibility — WCAG contrast

Aa
#633607 on white: 10.19:1
AA ✓ pass · AA-large · AAA
Aa
#633607 on black: 2.06:1
AA ✗ fail · AA-large · AAA
Against the neutral ladder

Contrast is symmetric, so each row covers both directions: #633607 as text on that neutral, and that neutral as text on #633607.

NeutralRatioBoth directions
White10.19:1AaAa
Slate 509.74:1AaAa
Slate 1009.30:1AaAa
Slate 2008.26:1AaAa
Slate 3006.86:1AaAa
Slate 4003.97:1AaAa
Slate 5002.14:1AaAa
Slate 6001.34:1AaAa
Slate 7001.02:1AaAa
Slate 8001.44:1AaAa
Slate 9001.75:1AaAa
Black2.06:1AaAa
Colour vision deficiency
true color
protanopia · #443B00
deuteranopia · #4E4507
tritanopia · #6D2C2D

Roughly one man in twelve has some form of colour vision deficiency. If any of the three panels above is hard to tell apart from a neighbouring colour in your palette, add a shape, an icon or a label so the meaning does not rest on hue alone.

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #633607 is pinned to step 900; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#FDF7F2
#FAF0E5
#F7DEC4
#F8C896
#F4AD62
#F0912D
#E57D10
#BF680D
#98530B
#633607
#452708
Base = 900Lightest = 50 · #FDF7F2Darkest = 950 · #452708Text step on white = 800
Perceptual ramp — OKLCH

The same eleven steps expressed in OKLCH, where equal lightness numbers actually look equally spaced. HSL ramps go muddy in the yellows and washed out in the blues; this one does not. Modern browsers render it natively — the hex ramp above is the fallback.

50100200300400500600700800900950
oklch tokensclick to select
:root {
  --brand-50: oklch(0.97 0.021 59.7);
  --brand-100: oklch(0.94 0.034 59.7);
  --brand-200: oklch(0.88 0.051 59.7);
  --brand-300: oklch(0.80 0.066 59.7);
  --brand-400: oklch(0.72 0.078 59.7);
  --brand-500: oklch(0.64 0.085 59.7);
  --brand-600: oklch(0.56 0.085 59.7);
  --brand-700: oklch(0.48 0.080 59.7);
  --brand-800: oklch(0.40 0.071 59.7);
  --brand-900: oklch(0.32 0.059 59.7);
  --brand-950: oklch(0.24 0.047 59.7);
}

Colors that work with #633607

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#ffffff
White wins here
Surface#FAF7F4
Tinted page background
Border#EDD7C0
Hairlines and dividers
Muted text#9B744B
Captions on the surface
Accent#054C65
Second voice, not a rival
Dark variant#774108
Hover, pressed, headers
Light variant#FDF3E7
Selected rows, tints
Dark surface#241C14
Dark-mode background
Hover#422405
One step down in lightness
Pressed#201202
Two steps down
Disabled#856E55
Chroma pulled out
Focus ring#7C4102
Offset from the fill so it reads
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

In real components

The same eight roles, wired into the interface patterns you will actually build with them. Every state below is a computed value, not a mock-up.

Buttons and states
Save changesHoverPressedDisabled
OutlineSubtleLinkFocused
Form field
you@company.com

Focus ring uses the light variant so the field still reads as one shape.

Send me product updates
Notice
Your export is ready

The file stays available for seven days. Download it before it expires.

NewBetaDraft
Data
Storage used68%
Acme LtdActive
NorthwindTrial
GlobexActive

How to use #633607

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Body text and links on white
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Headers, footers and dark-mode surfaces
  • Brand accents, badges and data highlights
Use with care
  • Text on black or near-black surfaces
  • Full-page backgrounds — tiring over long sessions
  • Black text placed on it
  • Pairing with a same-lightness hue — edges vibrate
Minimum size as text on white
Any size
Safe as a fill behind white type
Yes
Safe as a 1px border on white
Yes

Meaning and mood

What a colour in this family tends to signal, and how this particular chroma and lightness change the reading.

friendlyenergeticaffordablesocial

Orange is red with the aggression taken out — approachable, active, and strongly associated with buying and doing.

At this chroma the association is amplified — it will dominate anything placed beside it, so give it space and use it sparingly. The low lightness adds weight and formality.

Worth knowing

Hard to make feel premium, and it collides with the "caution" band in status systems.

Reads as
  • FormalityHigh
  • EnergyHigh
  • Weight79/100
  • TemperatureWarm
  • ApproachabilityHigh

Colour associations are cultural and vary by market. Treat these as a starting point for a conversation with your audience, not a finding about them.

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#073463
Analogous left#630807
Analogous right#626307
Split-complement 1#076263
Split-complement 2#080763
Triadic 1#076336
Triadic 2#360763
Tetradic#076308
On the wheel
Base+30°−30°+120°+240°+180°31°

#633607 sits at 31°. Every dot is a harmony position and links to its own page in the table alongside.

RGB percentages

Red38.8%
Green21.2%
Blue2.7%
R · 0–255
99
0x63
G · 0–255
54
0x36
B · 0–255
7
0x07

CMYK percentages

Cyan0.0%
Magenta45.5%
Yellow92.9%
Key (black)61.2%

Total ink coverage is 200%. Most commercial presses cap around 300% — above that, sheets stop drying properly.

Color previews

#633607 text on a black background

contrast 2.06:1

Card sample

#633607 text on a white background

contrast 10.19:1

Card sample

#633607 on grey

9.30:1

#633607 on its own surface

9.55:1

#633607 on its dark surface

1.65:1

CSS3 live lab

Text font color

The quick brown fox

color: #633607;
Background color
Panel with #633607 background
background-color: #633607;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #633607;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(99, 54, 7, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 54, 7, 0.45);
Border & gradient
Gradient panel
border: 3px solid #633607;
background: linear-gradient(135deg, #633607, #536307);
Gradient text

Gradient headline

background: linear-gradient(90deg, #633607, #3C6307);
-webkit-background-clip: text;
color: transparent;
Focus ring
Focused control
outline: 2px solid #633607;
outline-offset: 3px;
Underline & caret

Marked up text

text-decoration-color: #633607;
caret-color: #633607;
Left rule
Pull quote or callout
border-left: 4px solid #633607;
Ring + tint
Selected chip
background: #FDF3E7;
box-shadow: inset 0 0 0 2px #633607;
Conic badge
68%
background: conic-gradient(#633607 68%, #e2e8f0 0);

Transparency

What each alpha value actually composites to. The top row is #633607 over white; the bottom row is the same alpha over a checkerboard, so you can see what survives on a photo or a video.

Bottom row of hexes is the flattened result over white — use those when a design tool refuses transparency, or when you need a solid fallback.

alpha in every syntaxclick to select
rgba(99, 54, 7, 0.5)
rgb(99 54 7 / 50%)
#63360780
hsl(31 87% 21% / 50%)
color-mix(in srgb, #633607 50%, transparent)
Alpha8-digit hexFlat on white
10%#6336071a#EFEBE6
20%#63360733#E0D7CD
40%#63360766#C1AF9C
60%#63360799#A1866A
80%#633607cc#825E39

Gradients from #633607

Six recipes, each built from this hex and shown with the exact CSS that produced it.

Elevation
Same hue, three lightnesses — safe anywhere
background: linear-gradient(135deg, #9C550B, #633607 45%, #774108);
Duotone
A short hue run reads richer than a flat fill
background: linear-gradient(120deg, #633607, #354605);
Complement sweep
Loud — keep it behind large type only
background: linear-gradient(90deg, #633607, #073463);
Spotlight
Hero panels and app headers
background: radial-gradient(120% 120% at 20% 0%, #B9650D 0%, #633607 45%, #774108 100%);
Soft wash
Section backgrounds that stay readable
background: linear-gradient(180deg, #FAF7F4, #ffffff);
Mesh
Ambient background, no image weight
background: radial-gradient(60% 60% at 15% 20%, #930A14 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #748009 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #774108 0%, transparent 65%), #633607;

Monochromatic scale

Palettes built from #633607

Shades — darker

Tints — lighter

Tones — desaturated

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#633607 in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
E-commerceFood deliveryLogisticsCreator tools
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Sits outside most CMYK gamuts — expect a duller press result, or specify a spot ink.

On screens

Holds up across typical panel gamma. Still worth checking on an uncalibrated laptop, where mid-tones shift most.

In dark mode

Too dim on dark surfaces at 2.06:1 — lift it to #AF600C for body text, or reserve it for fills.

Explore nearby colors

Small, deliberate steps away from this hex — useful when you are hunting for the version of a colour that finally feels right.

#633607, answered

What color is #633607?

#633607 is a deep electric orange, closest to Saddle Brown (ΔE2000 9.5). It sits at 31° on the hue wheel with 87% saturation and 21% lightness, which reads as warm.

What is the RGB value of #633607?

rgb(99, 54, 7) — 99 red, 54 green and 7 blue out of 255, or 38.8% / 21.2% / 2.7% by channel.

What is #633607 in HSL and HSV?

hsl(31, 87%, 21%) and hsv(31, 93%, 39%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.

Is #633607 a light or a dark color?

It is a dark color. Relative luminance is 0.0531 and perceived brightness is 27%, so white text on it reaches 10.19:1.

Should I use black or white text on #633607?

White. It scores 10.19:1 against #633607, versus 2.06:1 for black — AAA at any size.

Is #633607 accessible on a white background?

#633607 on white scores 10.19:1, which clears AAA at every size.

What is the complementary color of #633607?

#073463 sits directly opposite on the wheel. Softer options are the split-complements #076263 and #080763, which give the same contrast with far less vibration.

What colors go well with #633607?

For interface work: #FAF7F4 as the surface, #EDD7C0 for borders, #9B744B for secondary text, #054C65 as an accent and #774108 for hover and pressed states. For a palette, the analogous pair #630807 and #626307 stays calm, while #073463 is the loudest partner.

What is #633607 in CMYK for printing?

cmyk(0%, 46%, 93%, 61%). This is a screen-to-ink approximation — a color this saturated sits outside most CMYK gamuts and will print duller than it looks here.

Is #633607 warm or cool?

Warm — it scores 1 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #7B3C09; nudged cooler, #641406.

Which Tailwind color is closest to #633607?

The stone family — its 500 step is #78716c, ΔE2000 25.2 away. That is a visible difference, so define #633607 as a custom token rather than reaching for the built-in.

How do I use #633607 in Tailwind CSS?

Inline it as an arbitrary value with bg-[#633607] or text-[#633607], or register the whole ramp under theme.extend.colors.brand so you get bg-brand-500 and friends. The generated 50–950 scale on this page is ready to paste into your config.

What is #633607 with 50% opacity?

rgba(99, 54, 7, 0.5), or #63360780 in eight-digit hex. Over white that composites to #B19B83; over black, #321B04.

Is #633607 a web-safe color?

No. The nearest web-safe colour is #663300, ΔE2000 1.7 away. The palette only matters for legacy displays and some email clients now.

What does the color #633607 mean?

As a orange, it reads friendly, energetic, affordable. Orange is red with the aggression taken out — approachable, active, and strongly associated with buying and doing. At this chroma the effect is amplified — it will dominate whatever sits beside it.

What gradient works with #633607?

The safest is same-hue elevation: linear-gradient(135deg, #9C550B, #633607 45%, #774108). For more colour, a short hue run to #354605 keeps it rich without turning muddy.

Work with #633607 in the Color Lab

Every tool opens with this colour already loaded.

Every value on this page is computed from #633607 at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.