#818B83
Closest named color: Gray (#808080). oklch(62.6% 0.017 151.6), rgb(129, 139, 131).
Aa
Black text reads best on this color (5.95:1).
About this color
#818B83 is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Gray (#808080), ΔE 0.031 away. Black text reads best on it, at 5.95:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Gray (#808080) |
| Black text | 5.95:1 |
| White text | 3.52:1 |
Values
| HEX | #818B83 |
| RGB | rgb(129, 139, 131) |
| HSL | hsl(132, 4%, 53%) |
| OKLCH | oklch(62.6% 0.017 151.6) |
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 #818B83 | 3.52:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #818B83 | 5.95:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #818B83 text on white | 3.52:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #818B83 text on black | 5.95:1 | AA | Lc -38.8 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E9EAE9
oklch(93.6% 0.002 145.6)
-
Step 200
200
#D7DAD7
oklch(88.5% 0.005 145.5)
-
Step 300
300
#BDC2BE
oklch(80.9% 0.008 151.9)
-
Step 400
400
#9BA39D
oklch(70.7% 0.013 153.6)
-
Step 500
500 (this color)
#818B83
oklch(62.6% 0.017 151.6)
-
Step 600
600
#6C766E
oklch(55.5% 0.017 151.5)
-
Step 700
700
#5A645C
oklch(49.2% 0.018 151.5)
-
Step 800
800
#4A514B
oklch(42.7% 0.013 149.6)
-
Step 900
900
#3E433F
oklch(37.7% 0.009 151.6)
-
Step 950
950
#242725
oklch(26.9% 0.006 156.8)
#818B83 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) | #8B8983 | 0.015 |
| Deuteranopia (no green cones) | #898883 | 0.014 |
| Tritanopia (no blue cones) | #808B89 | 0.009 |
| Achromatopsia (no color) | #888888 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #818B83
#818B83
oklch(62.6% 0.017 151.6)
- #8E848D
#8E848D
oklch(62.5% 0.018 328.9)
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 #818B83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gray #808080 ΔE 0.031
- Warm Grey #978A84 ΔE 0.032
- Medium Grey #7D7F7C ΔE 0.034
- Brown Grey #8D8468 ΔE 0.038
- Light Slate Gray #778899 ΔE 0.039
- Steel Grey #6F828A ΔE 0.041
- Steel #738595 ΔE 0.041
- Green Grey #77926F ΔE 0.044
Use #818B83 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.