#AC4909
Closest named color: Cinnamon (#AC4F06). oklch(52.8% 0.145 45.6), rgb(172, 73, 9).
Aa
White text reads best on this color (5.65:1).
About this color
#AC4909 is a medium-dark, vivid orange. In OKLCH its lightness is 53%, its chroma 0.145 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.013 away. White text reads best on it, at 5.65:1.
| Hue family | Oranges |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #AC4909 |
| RGB | rgb(172, 73, 9) |
| HSL | hsl(24, 90%, 35%) |
| OKLCH | oklch(52.8% 0.145 45.6) |
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 #AC4909 | 5.65:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #AC4909 | 3.71:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #AC4909 text on white | 5.65:1 | AA | Lc 77.5 | Fine for body text |
| #AC4909 text on black | 3.71:1 | AA large text | Lc -24.2 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EFD2C6
oklch(88.5% 0.037 43.8)
-
Step 300
300
#E5B49E
oklch(80.9% 0.065 45.4)
-
Step 400
400
#D78B68
oklch(70.7% 0.105 45.3)
-
Step 500
500
#CA6C3E
oklch(63.1% 0.134 45.4)
-
Step 600
600 (this color)
#AC4909
oklch(52.8% 0.145 45.6)
-
Step 700
700
#9C4107
oklch(49% 0.136 45.4)
-
Step 800
800
#7F370D
oklch(42.8% 0.112 45.8)
-
Step 900
900
#663014
oklch(37.6% 0.087 45.7)
-
Step 950
950
#3C1D0D
oklch(27% 0.055 46.6)
#AC4909 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) | #665900 | 0.135 |
| Deuteranopia (no green cones) | #7E6F02 | 0.121 |
| Tritanopia (no blue cones) | #BE303E | 0.077 |
| Achromatopsia (no color) | #676767 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC4909
#AC4909
oklch(52.8% 0.145 45.6)
- #007697
#007697
oklch(52.7% 0.101 225.9)
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 #AC4909, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.013
- Burnt Umber #A0450E ΔE 0.027
- Sienna #A0522D ΔE 0.030
- Burnt Siena #B75203 ΔE 0.031
- Sinopia #BB3E03 ΔE 0.032
- Brick Orange #C14A09 ΔE 0.042
- Burnt Orange #C04E01 ΔE 0.042
- Russet #A13905 ΔE 0.042
Use #AC4909 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.