Oslo Grey Color
Oslo Grey is a gray color with hex code #878D91. This page covers its meaning, all color values, harmonies, colors that go with oslo grey, shades, tints, similar colors, CSS examples, FAQs, and WCAG contrast ratios.
Oslo Grey Color Values
What Does Oslo Grey Mean?
Oslo Grey belongs to the gray family of colors. Gray settles arguments between colors. Practical, quiet, and hard to date-stamp, it lets brighter hues carry the personality while providing structure. Warm grays cozy a room up; cool grays keep it businesslike. Oslo Grey sits at a mid-lightness, which keeps it readable on both white and black without much fuss.
In the ISCC-NBS color naming system, Oslo Grey is classified as a gray (nearest centroid: bluish gray, #81878B).
Color Harmonies
Complementary
Analogous
Triadic
Colors That Go With Oslo Grey
Oslo Grey and #918B88 are complements, parked opposite each other on the wheel. Together they hit maximum contrast, so a rough 70/30 split keeps the pairing from shouting.
Analogous neighbors — #889190 and #888991, which sit beside oslo grey on the wheel. Pairings like this feel calm and settled, which suits backgrounds and gradients.
For an energetic three-color palette, pair oslo grey with triadic partners #91888D and #8D9188. All three sit evenly spaced around the wheel, so the scheme stays lively without clashing.
Build and test these combinations in our Color Wheel Tool or check text readability with the Contrast Checker.
Tints and Shades
Tints (lighter)
Shades (darker)
Similar Colors
- Gunsmoke —
#828685(Delta E 4) - Mountain Mist —
#959396(Delta E 4) - Stack —
#8A8F8A(Delta E 5) - Suva Grey —
#888387(Delta E 5) - Regent Grey —
#86949F(Delta E 5)
CSS Examples
.text { color: #878D91; }
.background { background-color: #878D91; }
.border { border: 2px solid #878D91; }
.shadow { box-shadow: 0 4px 6px #878D9140; }WCAG Contrast
Frequently Asked Questions
What is the hex code for oslo grey?
Oslo Grey has the hex code #878D91. In RGB notation it is rgb(135, 141, 145), in HSL it is hsl(204, 4%, 55%), and its OKLCH value is 0.64, 0.009, 236.6.
What does the color oslo grey mean?
Gray-family colors like oslo grey carry distinct psychological associations. Oslo Grey belongs to the gray family of colors. Gray settles arguments between colors. Practical, quiet, and hard to date-stamp, it lets brighter hues carry the personality while providing structure. Warm grays cozy a room up; cool grays keep it businesslike. Oslo Grey sits at a mid-lightness, which keeps it readable on both white and black without much fuss.
What colors go with oslo grey?
Oslo Grey has three easy routes: its complement #918B88 for punch, its neighbors #889190 and #888991 for something calmer, or triadic partners #91888D and #8D9188 when you want energy.
Is oslo grey a standard web color?
No — Oslo Grey is not a CSS keyword. Use its hex value #878D91 or any RGB/HSL equivalent in your stylesheets.
How do I make oslo grey lighter or darker?
To lighten oslo grey, add white to create tints; to darken it, add black to create shades. The tints and shades table above shows five computed steps of each, from #ECEDEE (lightest tint) to #161718 (darkest shade).
About Oslo Grey
Oslo Grey is classified as a Gray in the ISCC-NBS color naming system, within the Gray hue family. It has The color is recognized by Resene, meodai.
Use our Color Converter to convert #878D91 to any other color format, or explore the Color Wheel to find harmonious color combinations.