#81918F
Closest named color: Warm Grey (#978A84). oklch(64.3% 0.019 187.6), rgb(129, 145, 143).
Aa
Black text reads best on this color (6.38:1).
About this color
#81918F is a medium-light close to neutral grey. In OKLCH its lightness is 64%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Warm Grey (#978A84), ΔE 0.035 away. Black text reads best on it, at 6.38:1.
| Hue family | Neutrals |
| Lightness | medium-light (64%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Warm Grey (#978A84) |
| Black text | 6.38:1 |
| White text | 3.29:1 |
Values
| HEX | #81918F |
| RGB | rgb(129, 145, 143) |
| HSL | hsl(173, 7%, 54%) |
| OKLCH | oklch(64.3% 0.019 187.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #81918F | 3.29:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #81918F | 6.38:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #81918F text on white | 3.29:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #81918F text on black | 6.38:1 | AA | Lc -41.4 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D6DADA
oklch(88.5% 0.004 197.1)
-
Step 300
300
#BAC3C1
oklch(81% 0.01 181.3)
-
Step 400
400
#97A4A2
oklch(70.8% 0.015 185.8)
-
Step 500
500 (this color)
#81918F
oklch(64.3% 0.019 187.6)
-
Step 600
600
#667775
oklch(55.5% 0.02 188)
-
Step 700
700
#556462
oklch(49% 0.019 186.8)
-
Step 800
800
#465250
oklch(42.7% 0.016 184.5)
-
Step 900
900
#3B4443
oklch(37.8% 0.012 188.5)
-
Step 950
950
#222827
oklch(27.1% 0.009 184.6)
#81918F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #8F8F8F | 0.020 |
| Deuteranopia (no green cones) | #8C8D8F | 0.018 |
| Tritanopia (no blue cones) | #7D9290 | 0.006 |
| Achromatopsia (no color) | #8E8E8E | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81918F
#81918F
oklch(64.3% 0.019 187.6)
- #98898B
#98898B
oklch(64.4% 0.018 8.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #81918F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Grey #978A84 ΔE 0.035
- Light Slate Gray #778899 ΔE 0.037
- Blue Grey #758DA3 ΔE 0.039
- Steel #738595 ΔE 0.045
- Silver Lake Blue #778DA9 ΔE 0.046
- Gray #808080 ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.049
- Cool Gray #8D99AE ΔE 0.050
Use #81918F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.