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#333c2f

a deep, muted green · neutral · closest name: Dark Slate Gray

RGB
51, 60, 47
HSL
102°, 12%, 21%
CMYK
15, 0, 22, 77
Luminance
0.0414

At a glance

Every number on this page in one read: what #333c2f is made of, how bright it looks, and which way it leans.

Hex
#333c2f
Hue
102°
green
Saturation
12%
muted
Lightness
21%
deep
Brightness
24%
HSV value
Perceived
22%
weighted brightness
Luminance
0.0414
WCAG relative
Temperature
Neutral
52/100 cool
Color family
Green
Tone
Muted
Best ink
White
11.49:1
Closest name
Dark Slate Gray
ΔE2000 11.2
Where it sits
Hue102° of 360°
Saturation12%
Lightness21%
Temperature
Warm ← → Cool52% cool

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

Every format

HEX#333c2f
RGBrgb(51, 60, 47)
HSLhsl(102, 12%, 21%)
CMYKcmyk(15%, 0%, 22%, 77%)
LABlab(24.1 -6.7 6.8)
LCHlch(24.1 9.6 134.7)
OKLCHoklch(0.344 0.025 136.1)
Decimal3357743
Display P3color(display-p3 0.200 0.235 0.184)

Copy-ready code

/* CSS */
color: #333c2f;
background-color: #333c2f;
/* Tailwind (arbitrary) */
class="text-[#333c2f] bg-[#333c2f]"
/* SCSS */
$brand: #333c2f;
/* SwiftUI */
Color(red: 0.200, green: 0.235, blue: 0.184)
/* Android */
Color.parseColor("#333c2f")
/* Flutter */
Color(0xFF333C2F)
/* Python / OpenCV (BGR) */
(47, 60, 51)

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 #333c2f · 11.49:1
Use #ffffffAAA at every size.
Aa
White text · 11.49:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 1.83:1
AA fail · AA large fail · AAA fail
Reading the other direction: #333c2f as text scores 11.49:1 on white and 1.83:1 on black.

Accessibility — WCAG contrast

Aa
#333c2f on white: 11.49:1
AA ✓ pass · AA-large · AAA
Aa
#333c2f on black: 1.83:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #3D3A2E
deuteranopia · #3C3930
tritanopia · #333B38

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #333c2f 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.

#F7F8F7
#EFF1EE
#DCE1DA
#C4CEC0
#A7B5A1
#8A9C81
#75896C
#61725A
#4E5B48
#333c2f
#252B22
Base = 900Lightest = 50 · #F7F8F7Darkest = 950 · #252B22
:root {
  --brand-50: #F7F8F7;
  --brand-100: #EFF1EE;
  --brand-200: #DCE1DA;
  --brand-300: #C4CEC0;
  --brand-400: #A7B5A1;
  --brand-500: #8A9C81;
  --brand-600: #75896C;
  --brand-700: #61725A;
  --brand-800: #4E5B48;
  --brand-900: #333c2f;
  --brand-950: #252B22;
  --brand: #333c2f;
  --brand-ink: #ffffff;
}

Colors that work with #333c2f

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#F7F8F6
Tinted page background
Border#D4DBD1
Hairlines and dividers
Muted text#6D8165
Captions on the surface
Accent#352D3E
Second voice, not a rival
Dark variant#3D4738
Hover, pressed, headers
Light variant#F2F4F1
Selected rows, tints
Dark surface#1B1F19
Dark-mode background
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

How to use #333c2f

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

Works well for
  • Body text and links on white
  • Borders, dividers and quiet backgrounds
  • Long-form reading surfaces
  • Headers, footers and dark-mode surfaces
  • Brand accents, badges and data highlights
Use with care
  • Text on black or near-black surfaces
  • Black text placed on it
  • Pairing with a same-lightness hue — edges vibrate

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#382F3C
Analogous left#3A3C2F
Analogous right#2F3C32
Split-complement 1#322F3C
Split-complement 2#3C2F3A
Triadic 1#2F333C
Triadic 2#3C2F33
Tetradic#2F3A3C

RGB percentages

Red20.0%
Green23.5%
Blue18.4%

CMYK percentages

Cyan15.0%
Magenta0.0%
Yellow21.7%
Key (black)76.5%

Color previews

#333c2f text on a black background

contrast 1.83:1

Card sample

#333c2f text on a white background

contrast 11.49:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #333c2f;
Background color
Panel with #333c2f background
background-color: #333c2f;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #333c2f;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(51, 60, 47, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 60, 47, 0.45);
Border & gradient
Gradient panel
border: 3px solid #333c2f;
background: linear-gradient(135deg, #333c2f, #2F3C34);

Monochromatic scale

Palettes built from #333c2f

Shades — darker

Tints — lighter

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.

#333c2f in the real world

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

Industries
SustainabilityFinanceHealth and wellnessAgriculture
Common UI roles
BackgroundsBordersBody textDividers
Print note

Converts to four-color process without much drama. Proof it anyway.

#333c2f, answered

What color is #333c2f?

#333c2f is a deep muted green, closest to Dark Slate Gray (ΔE2000 11.2). It sits at 102° on the hue wheel with 12% saturation and 21% lightness, which reads as neutral.

What is the RGB value of #333c2f?

rgb(51, 60, 47) — 51 red, 60 green and 47 blue out of 255, or 20% / 23.5% / 18.4% by channel.

Is #333c2f a light or a dark color?

It is a dark color. Relative luminance is 0.0414 and perceived brightness is 22%, so white text on it reaches 11.49:1.

Should I use black or white text on #333c2f?

White. It scores 11.49:1 against #333c2f, versus 1.83:1 for black — AAA at any size.

What is the complementary color of #333c2f?

#382F3C sits directly opposite on the wheel. Softer options are the split-complements #322F3C and #3C2F3A, which give the same contrast with far less vibration.

What colors go well with #333c2f?

For interface work: #F7F8F6 as the surface, #D4DBD1 for borders, #6D8165 for secondary text, #352D3E as an accent and #3D4738 for hover and pressed states. For a palette, the analogous pair #3A3C2F and #2F3C32 stays calm, while #382F3C is the loudest partner.

What is #333c2f in CMYK for printing?

cmyk(15%, 0%, 22%, 77%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #333c2f warm or cool?

Neutral — it scores 52 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #383C2F; nudged cooler, #2E3D2F.

Work with #333c2f in the Color Lab