#AC590E
Closest named color: Raw Umber (#A75E09). oklch(55.3% 0.133 54.4), rgb(172, 89, 14).
Aa
White text reads best on this color (5.01:1).
About this color
#AC590E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.133 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.015 away. White text reads best on it, at 5.01:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #AC590E |
| RGB | rgb(172, 89, 14) |
| HSL | hsl(28, 85%, 36%) |
| OKLCH | oklch(55.3% 0.133 54.4) |
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 #AC590E | 5.01:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #AC590E | 4.18:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #AC590E text on white | 5.01:1 | AA | Lc 74.1 | Content text, not long reading |
| #AC590E text on black | 4.18:1 | AA large text | Lc -27.6 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F4E7DF
oklch(93.6% 0.018 54)
-
Step 200
200
#EBD4C5
oklch(88.5% 0.033 55.3)
-
Step 300
300
#E0B79D
oklch(80.9% 0.059 54)
-
Step 400
400
#CF9066
oklch(70.6% 0.095 54.2)
-
Step 500
500
#C1733A
oklch(63% 0.122 54.4)
-
Step 600
600 (this color)
#AC590E
oklch(55.3% 0.133 54.4)
-
Step 700
700
#944900
oklch(49% 0.123 54)
-
Step 800
800
#783D07
oklch(42.7% 0.102 55.1)
-
Step 900
900
#613412
oklch(37.6% 0.079 54.1)
-
Step 950
950
#391F0C
oklch(27% 0.05 54.8)
#AC590E 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) | #726400 | 0.108 |
| Deuteranopia (no green cones) | #86770C | 0.098 |
| Tritanopia (no blue cones) | #BD464C | 0.086 |
| Achromatopsia (no color) | #6F6F6F | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC590E
#AC590E
oklch(55.3% 0.133 54.4)
- #007CAC
#007CAC
oklch(55.3% 0.117 234.5)
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 #AC590E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.015
- Orangey Brown #B16002 ΔE 0.021
- Cinnamon #AC4F06 ΔE 0.022
- Burnt Siena #B75203 ΔE 0.023
- Umber #B26400 ΔE 0.031
- Copper #B66325 ΔE 0.033
- Sepia #985E2B ΔE 0.038
- Sienna #A0522D ΔE 0.038
Use #AC590E 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.