#818166
Closest named color: Brown Grey (#8D8468). oklch(59.6% 0.039 107.5), rgb(129, 129, 102).
Aa
Black text reads best on this color (5.26:1).
About this color
#818166 is a medium-dark, muted yellow. In OKLCH its lightness is 60%, its chroma 0.039 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Grey (#8D8468), ΔE 0.021 away. Black text reads best on it, at 5.26:1.
| Hue family | Yellows |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Brown Grey (#8D8468) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #818166 |
| RGB | rgb(129, 129, 102) |
| HSL | hsl(60, 12%, 45%) |
| OKLCH | oklch(59.6% 0.039 107.5) |
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 #818166 | 3.98:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #818166 | 5.26:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #818166 text on white | 3.98:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #818166 text on black | 5.26:1 | AA | Lc -34.4 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#EAEAE6
oklch(93.6% 0.005 106.5)
-
Step 200
200
#DADAD2
oklch(88.6% 0.011 106.6)
-
Step 300
300
#C1C2B4
oklch(80.9% 0.019 110.1)
-
Step 400
400
#A2A28D
oklch(70.6% 0.03 107.1)
-
Step 500
500 (this color)
#818166
oklch(59.6% 0.039 107.5)
-
Step 600
600
#767558
oklch(55.5% 0.043 106.1)
-
Step 700
700
#636348
oklch(49.2% 0.041 107.8)
-
Step 800
800
#51503C
oklch(42.6% 0.031 105.3)
-
Step 900
900
#434333
oklch(37.8% 0.026 107.6)
-
Step 950
950
#27271E
oklch(27% 0.016 107.4)
#818166 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) | #867F64 | 0.009 |
| Deuteranopia (no green cones) | #868067 | 0.008 |
| Tritanopia (no blue cones) | #857D7A | 0.036 |
| Achromatopsia (no color) | #7F7F7F | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #818166
#818166
oklch(59.6% 0.039 107.5)
- #7D7C96
#7D7C96
oklch(59.6% 0.039 286.9)
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 #818166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Grey #8D8468 ΔE 0.021
- Medium Grey #7D7F7C ΔE 0.035
- Gray #808080 ΔE 0.040
- Drab #828344 ΔE 0.046
- Slate Green #658D6D ΔE 0.046
- Green Grey #77926F ΔE 0.047
- Grey Brown #7F7053 ΔE 0.048
- Mocha #9D7651 ΔE 0.050
Use #818166 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.