#AA7551
Closest named color: Mocha (#9D7651). oklch(60.9% 0.084 54.7), rgb(170, 117, 81).
Aa
Black text reads best on this color (5.37:1).
About this color
#AA7551 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.084 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Mocha (#9D7651), ΔE 0.022 away. Black text reads best on it, at 5.37:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Mocha (#9D7651) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #AA7551 |
| RGB | rgb(170, 117, 81) |
| HSL | hsl(24, 35%, 49%) |
| OKLCH | oklch(60.9% 0.084 54.7) |
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 #AA7551 | 3.90:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #AA7551 | 5.37:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #AA7551 text on white | 3.90:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #AA7551 text on black | 5.37:1 | AA | Lc -35.3 | 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
#F8F4F2
oklch(97% 0.005 48.7)
-
Step 100
100
#F0E8E3
oklch(93.6% 0.011 54.5)
-
Step 200
200
#E6D6CB
oklch(88.6% 0.023 56.9)
-
Step 300
300
#D6BAA8
oklch(80.8% 0.041 54.7)
-
Step 400
400
#C1967A
oklch(70.6% 0.065 54.5)
-
Step 500
500 (this color)
#AA7551
oklch(60.9% 0.084 54.7)
-
Step 600
600
#9C643D
oklch(55.6% 0.09 54.6)
-
Step 700
700
#85532F
oklch(49.1% 0.084 55.1)
-
Step 800
800
#6D4427
oklch(42.8% 0.071 54.8)
-
Step 900
900
#583925
oklch(37.6% 0.054 53.2)
-
Step 950
950
#342216
oklch(27.1% 0.035 54.4)
#AA7551 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) | #847A4E | 0.064 |
| Deuteranopia (no green cones) | #918551 | 0.057 |
| Tritanopia (no blue cones) | #B76B6C | 0.056 |
| Achromatopsia (no color) | #818181 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA7551
#AA7551
oklch(60.9% 0.084 54.7)
- #4C8BAE
#4C8BAE
oklch(60.9% 0.084 234.8)
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 #AA7551, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mocha #9D7651 ΔE 0.022
- Clay Brown #B2713D ΔE 0.023
- Puce #A57E52 ΔE 0.024
- Tan Brown #AB7E4C ΔE 0.027
- Pinkish Brown #B17261 ΔE 0.028
- Leather #AC7434 ΔE 0.030
- Clay #B66A50 ΔE 0.033
- Light Brown #AD8150 ΔE 0.033
Use #AA7551 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.