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#889c01

a dark, electric yellow · warm · closest name: Olive Drab

RGB
136, 156, 1
HSL
68°, 99%, 31%
CMYK
13, 0, 99, 39
Luminance
0.2901

At a glance

Every number on this page in one read: what #889c01 is made of, how bright it looks, and which way it leans.

Hex
#889c01
Hue
68°
yellow
Saturation
99%
electric
Lightness
31%
dark
Brightness
61%
HSV value
Perceived
55%
weighted brightness
Luminance
0.2901
WCAG relative
Temperature
Warm
31/100 cool
Color family
Yellow
Tone
Electric
Best ink
Black
6.80:1
Closest name
Olive Drab
ΔE2000 8
Where it sits
Hue68° of 360°
Saturation99%
Lightness31%
Temperature
Warm ← → Cool31% cool

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

Every format

HEX#889c01
RGBrgb(136, 156, 1)
HSLhsl(68, 99%, 31%)
CMYKcmyk(13%, 0%, 99%, 39%)
LABlab(60.8 -23.8 63.4)
LCHlch(60.8 67.7 110.6)
OKLCHoklch(0.654 0.153 118.5)
Decimal8952833
Display P3color(display-p3 0.533 0.612 0.004)

Copy-ready code

/* CSS */
color: #889c01;
background-color: #889c01;
/* Tailwind (arbitrary) */
class="text-[#889c01] bg-[#889c01]"
/* SCSS */
$brand: #889c01;
/* SwiftUI */
Color(red: 0.533, green: 0.612, blue: 0.004)
/* Android */
Color.parseColor("#889c01")
/* Flutter */
Color(0xFF889C01)
/* Python / OpenCV (BGR) */
(1, 156, 136)

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#000000 on #889c01 · 6.80:1
Use #000000AA at every size, AAA for large text only.
Aa
White text · 3.09:1
AA fail · AA large pass · AAA fail
Aa
Black text · 6.80:1 · recommended
AA pass · AA large pass · AAA fail
Reading the other direction: #889c01 as text scores 3.09:1 on white and 6.80:1 on black.

Accessibility — WCAG contrast

Aa
#889c01 on white: 3.09:1
AA ✗ fail · AA-large · AAA
Aa
#889c01 on black: 6.80:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #A79300
deuteranopia · #A5931C
tritanopia · #919384

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #889c01 is pinned to step 800; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#FCFEF1
#F9FCE3
#F4FBC0
#F0FE90
#E9FE58
#E1FE20
#D4F302
#B1CB01
#889c01
#677506
#404904
Base = 800Lightest = 50 · #FCFEF1Darkest = 950 · #404904
:root {
  --brand-50: #FCFEF1;
  --brand-100: #F9FCE3;
  --brand-200: #F4FBC0;
  --brand-300: #F0FE90;
  --brand-400: #E9FE58;
  --brand-500: #E1FE20;
  --brand-600: #D4F302;
  --brand-700: #B1CB01;
  --brand-800: #889c01;
  --brand-900: #677506;
  --brand-950: #404904;
  --brand: #889c01;
  --brand-ink: #000000;
}

Colors that work with #889c01

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

Text on it#000000
Black wins here
Surface#FAFAF4
Tinted page background
Border#E7EDC0
Hairlines and dividers
Muted text#919B4B
Captions on the surface
Accent#00139D
Second voice, not a rival
Dark variant#6F7F01
Hover, pressed, headers
Light variant#FCFFE6
Selected rows, tints
Dark surface#222414
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 #889c01

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

Works well for
  • Headings from 24px up on white
  • Text and icons on dark surfaces
  • 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
  • Small text on white — under 4.5:1
  • Full-page backgrounds — tiring over long sessions
  • Black text placed on it
  • Thin strokes and 1px borders — they disappear on light UI
  • 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#15019C
Analogous left#9C6201
Analogous right#3B9C01
Split-complement 1#013B9C
Split-complement 2#62019C
Triadic 1#01889C
Triadic 2#9C0188
Tetradic#019C62

RGB percentages

Red53.3%
Green61.2%
Blue0.4%

CMYK percentages

Cyan12.8%
Magenta0.0%
Yellow99.4%
Key (black)38.8%

Color previews

#889c01 text on a black background

contrast 6.80:1

Card sample

#889c01 text on a white background

contrast 3.09:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #889c01;
Background color
Panel with #889c01 background
background-color: #889c01;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #889c01;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(136, 156, 1, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(136, 156, 1, 0.45);
Border & gradient
Gradient panel
border: 3px solid #889c01;
background: linear-gradient(135deg, #889c01, #219C01);

Monochromatic scale

Palettes built from #889c01

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.

#889c01 in the real world

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

Industries
RetailLeisureEnergyWarning systems
Common UI roles
ButtonsLinksFocus statesCharts
Print note

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

#889c01, answered

What color is #889c01?

#889c01 is a dark electric yellow, closest to Olive Drab (ΔE2000 8). It sits at 68° on the hue wheel with 99% saturation and 31% lightness, which reads as warm.

What is the RGB value of #889c01?

rgb(136, 156, 1) — 136 red, 156 green and 1 blue out of 255, or 53.3% / 61.2% / 0.4% by channel.

Is #889c01 a light or a dark color?

It is a mid-tone. Relative luminance is 0.2901 and perceived brightness is 55%, so black text on it reaches 6.80:1.

Should I use black or white text on #889c01?

Black. It scores 6.80:1 against #889c01, versus 3.09:1 for white — AA at any size.

What is the complementary color of #889c01?

#15019C sits directly opposite on the wheel. Softer options are the split-complements #013B9C and #62019C, which give the same contrast with far less vibration.

What colors go well with #889c01?

For interface work: #FAFAF4 as the surface, #E7EDC0 for borders, #919B4B for secondary text, #00139D as an accent and #6F7F01 for hover and pressed states. For a palette, the analogous pair #9C6201 and #3B9C01 stays calm, while #15019C is the loudest partner.

What is #889c01 in CMYK for printing?

cmyk(13%, 0%, 99%, 39%). 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 #889c01 warm or cool?

Warm — it scores 31 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #9C7701; nudged cooler, #4F9D00.

Work with #889c01 in the Color Lab