#99553E
Closest named color: Sienna (#A0522D). oklch(52.4% 0.097 39.3), rgb(153, 85, 62).
Aa
White text reads best on this color (5.63:1).
About this color
#99553E is a medium-dark, moderately saturated red. In OKLCH its lightness is 52%, its chroma 0.097 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.021 away. White text reads best on it, at 5.63:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.72:1 |
| White text | 5.63:1 |
Values
| HEX | #99553E |
| RGB | rgb(153, 85, 62) |
| HSL | hsl(15, 42%, 42%) |
| OKLCH | oklch(52.4% 0.097 39.3) |
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 #99553E | 5.63:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #99553E | 3.72:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #99553E text on white | 5.63:1 | AA | Lc 77.9 | Fine for body text |
| #99553E text on black | 3.72:1 | AA large text | Lc -23.9 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E4
oklch(93.6% 0.013 35.7)
-
Step 200
200
#E8D4CD
oklch(88.4% 0.024 40.3)
-
Step 300
300
#DBB8AC
oklch(81% 0.044 39.8)
-
Step 400
400
#C79280
oklch(70.6% 0.07 39.6)
-
Step 500
500
#B87660
oklch(63% 0.09 39.2)
-
Step 600
600 (this color)
#99553E
oklch(52.4% 0.097 39.3)
-
Step 700
700
#8C4D38
oklch(49.1% 0.091 39.1)
-
Step 800
800
#71402F
oklch(42.7% 0.074 39.8)
-
Step 900
900
#5C362A
oklch(37.6% 0.059 38.3)
-
Step 950
950
#362019
oklch(27% 0.037 38.4)
#99553E 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) | #675E3C | 0.091 |
| Deuteranopia (no green cones) | #776D3D | 0.085 |
| Tritanopia (no blue cones) | #A7494F | 0.048 |
| Achromatopsia (no color) | #676767 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99553E
#99553E
oklch(52.4% 0.097 39.3)
- #00768F
#00768F
oklch(52.3% 0.095 219.4)
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 #99553E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.021
- Sepia #985E2B ΔE 0.036
- Cocoa #875F42 ΔE 0.038
- Burnt Umber #A0450E ΔE 0.045
- Warm Brown #964E02 ΔE 0.046
- Earth #A2653E ΔE 0.046
- Cinnamon #AC4F06 ΔE 0.050
- Light Maroon #A24857 ΔE 0.056
Use #99553E 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.