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#364b21

a deep, soft green · neutral · closest name: Dark Olive Green

RGB
54, 75, 33
HSL
90°, 39%, 21%
CMYK
28, 0, 56, 71
Luminance
0.0593

At a glance

Every number on this page in one read: what #364b21 is made of, how bright it looks, and which way it leans.

Hex
#364b21
Hue
90°
green
Saturation
39%
soft
Lightness
21%
deep
Brightness
29%
HSV value
Perceived
26%
weighted brightness
Luminance
0.0593
WCAG relative
Temperature
Neutral
50/100 cool
Color family
Green
Tone
Soft
Best ink
White
9.61:1
Closest name
Dark Olive Green
ΔE2000 11.4
Where it sits
Hue90° of 360°
Saturation39%
Lightness21%
Temperature
Warm ← → Cool50% 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#364b21
RGBrgb(54, 75, 33)
HSLhsl(90, 39%, 21%)
CMYKcmyk(28%, 0%, 56%, 71%)
LABlab(29.2 -16.6 22.3)
LCHlch(29.2 27.8 126.7)
OKLCHoklch(0.384 0.070 131.0)
Decimal3558177
Display P3color(display-p3 0.212 0.294 0.129)

Copy-ready code

/* CSS */
color: #364b21;
background-color: #364b21;
/* Tailwind (arbitrary) */
class="text-[#364b21] bg-[#364b21]"
/* SCSS */
$brand: #364b21;
/* SwiftUI */
Color(red: 0.212, green: 0.294, blue: 0.129)
/* Android */
Color.parseColor("#364b21")
/* Flutter */
Color(0xFF364B21)
/* Python / OpenCV (BGR) */
(33, 75, 54)

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 #364b21 · 9.61:1
Use #ffffffAAA at every size.
Aa
White text · 9.61:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 2.19:1
AA fail · AA large fail · AAA fail
Reading the other direction: #364b21 as text scores 9.61:1 on white and 2.19:1 on black.

Accessibility — WCAG contrast

Aa
#364b21 on white: 9.61:1
AA ✓ pass · AA-large · AAA
Aa
#364b21 on black: 2.19:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #4E461D
deuteranopia · #4B4424
tritanopia · #374841

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #364b21 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.

#F7FAF5
#F0F4EB
#DEE9D3
#C7DDB1
#ABCC8A
#8FBA63
#7AAA4B
#668E3E
#527132
#364b21
#263419
Base = 900Lightest = 50 · #F7FAF5Darkest = 950 · #263419
:root {
  --brand-50: #F7FAF5;
  --brand-100: #F0F4EB;
  --brand-200: #DEE9D3;
  --brand-300: #C7DDB1;
  --brand-400: #ABCC8A;
  --brand-500: #8FBA63;
  --brand-600: #7AAA4B;
  --brand-700: #668E3E;
  --brand-800: #527132;
  --brand-900: #364b21;
  --brand-950: #263419;
  --brand: #364b21;
  --brand-ink: #ffffff;
}

Colors that work with #364b21

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#F7FAF4
Tinted page background
Border#D6E6C6
Hairlines and dividers
Muted text#739B4B
Captions on the surface
Accent#2A1F4D
Second voice, not a rival
Dark variant#405927
Hover, pressed, headers
Light variant#F2F7ED
Selected rows, tints
Dark surface#1C2414
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 #364b21

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

Works well for
  • Body text and links on white
  • Charts, tags and secondary 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#36214B
Analogous left#4B4B21
Analogous right#214B21
Split-complement 1#21214B
Split-complement 2#4B214B
Triadic 1#21364B
Triadic 2#4B2136
Tetradic#214B4B

RGB percentages

Red21.2%
Green29.4%
Blue12.9%

CMYK percentages

Cyan28.0%
Magenta0.0%
Yellow56.0%
Key (black)70.6%

Color previews

#364b21 text on a black background

contrast 2.19:1

Card sample

#364b21 text on a white background

contrast 9.61:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #364b21;
Background color
Panel with #364b21 background
background-color: #364b21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #364b21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(54, 75, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(54, 75, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #364b21;
background: linear-gradient(135deg, #364b21, #214B28);

Monochromatic scale

Palettes built from #364b21

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.

#364b21 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
ButtonsLinksFocus statesCharts
Print note

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

#364b21, answered

What color is #364b21?

#364b21 is a deep soft green, closest to Dark Olive Green (ΔE2000 11.4). It sits at 90° on the hue wheel with 39% saturation and 21% lightness, which reads as neutral.

What is the RGB value of #364b21?

rgb(54, 75, 33) — 54 red, 75 green and 33 blue out of 255, or 21.2% / 29.4% / 12.9% by channel.

Is #364b21 a light or a dark color?

It is a dark color. Relative luminance is 0.0593 and perceived brightness is 26%, so white text on it reaches 9.61:1.

Should I use black or white text on #364b21?

White. It scores 9.61:1 against #364b21, versus 2.19:1 for black — AAA at any size.

What is the complementary color of #364b21?

#36214B sits directly opposite on the wheel. Softer options are the split-complements #21214B and #4B214B, which give the same contrast with far less vibration.

What colors go well with #364b21?

For interface work: #F7FAF4 as the surface, #D6E6C6 for borders, #739B4B for secondary text, #2A1F4D as an accent and #405927 for hover and pressed states. For a palette, the analogous pair #4B4B21 and #214B21 stays calm, while #36214B is the loudest partner.

What is #364b21 in CMYK for printing?

cmyk(28%, 0%, 56%, 71%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #364b21 warm or cool?

Neutral — it scores 50 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #454B21; nudged cooler, #264C20.

Work with #364b21 in the Color Lab