#A1661E
Closest named color: Raw Umber (#A75E09). oklch(56.2% 0.112 66.2), rgb(161, 102, 30).
Aa
White text reads best on this color (4.73:1).
About this color
#A1661E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.112 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.020 away. White text reads best on it, at 4.73:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #A1661E |
| RGB | rgb(161, 102, 30) |
| HSL | hsl(33, 69%, 37%) |
| OKLCH | oklch(56.2% 0.112 66.2) |
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 #A1661E | 4.73:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #A1661E | 4.43:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #A1661E text on white | 4.73:1 | AA | Lc 72.6 | Content text, not long reading |
| #A1661E text on black | 4.43:1 | AA large text | Lc -29.1 | Dividers and decoration only |
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 600.
-
Step 50
50
#F9F5F1
oklch(97.2% 0.007 67.7)
-
Step 100
100
#F1E8E0
oklch(93.6% 0.015 64.3)
-
Step 200
200
#E6D6C6
oklch(88.5% 0.028 67.5)
-
Step 300
300
#D8BB9F
oklch(81% 0.051 66)
-
Step 400
400
#C3976A
oklch(70.7% 0.08 66.6)
-
Step 500
500
#B47C40
oklch(63.1% 0.103 65.8)
-
Step 600
600 (this color)
#A1661E
oklch(56.2% 0.112 66.2)
-
Step 700
700
#88530C
oklch(49.2% 0.104 66.3)
-
Step 800
800
#6E440F
oklch(42.6% 0.086 66.6)
-
Step 900
900
#5A3A16
oklch(37.8% 0.068 66.2)
-
Step 950
950
#35220E
oklch(27.1% 0.043 65.6)
#A1661E 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) | #796B12 | 0.073 |
| Deuteranopia (no green cones) | #877920 | 0.065 |
| Tritanopia (no blue cones) | #B05858 | 0.087 |
| Achromatopsia (no color) | #737373 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1661E
#A1661E
oklch(56.2% 0.112 66.2)
- #347AB3
#347AB3
oklch(56.2% 0.113 246.3)
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 #A1661E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.020
- Raw Sienna #9A6200 ΔE 0.021
- Orangey Brown #B16002 ΔE 0.030
- Earth #A2653E ΔE 0.030
- Umber #B26400 ΔE 0.031
- Sepia #985E2B ΔE 0.031
- Caramel #AF6F09 ΔE 0.038
- Copper #B66325 ΔE 0.040
Use #A1661E 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.