#99591F
Closest named color: Sepia (#985E2B). oklch(52.8% 0.11 58.4), rgb(153, 89, 31).
Aa
White text reads best on this color (5.52:1).
About this color
#99591F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 53%, its chroma 0.110 and its hue 58°. Its hue sits on the warm side of the wheel. The nearest named color is Sepia (#985E2B), ΔE 0.013 away. White text reads best on it, at 5.52:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Sepia (#985E2B) |
| Black text | 3.80:1 |
| White text | 5.52:1 |
Values
| HEX | #99591F |
| RGB | rgb(153, 89, 31) |
| HSL | hsl(29, 66%, 36%) |
| OKLCH | oklch(52.8% 0.11 58.4) |
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 #99591F | 5.52:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #99591F | 3.80:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #99591F text on white | 5.52:1 | AA | Lc 77.2 | Fine for body text |
| #99591F text on black | 3.80:1 | AA large text | Lc -24.5 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8E1
oklch(93.7% 0.014 57.6)
-
Step 200
200
#E8D5C8
oklch(88.5% 0.028 56.7)
-
Step 300
300
#DAB9A2
oklch(80.8% 0.049 56.8)
-
Step 400
400
#C6956F
oklch(70.7% 0.079 58.8)
-
Step 500
500
#B77948
oklch(63% 0.101 57.9)
-
Step 600
600 (this color)
#99591F
oklch(52.8% 0.11 58.4)
-
Step 700
700
#8B501B
oklch(49.1% 0.102 58.1)
-
Step 800
800
#714219
oklch(42.7% 0.085 58.3)
-
Step 900
900
#5B381B
oklch(37.6% 0.066 58.5)
-
Step 950
950
#362111
oklch(27% 0.042 57.1)
#99591F 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) | #6C6017 | 0.083 |
| Deuteranopia (no green cones) | #7C6E1F | 0.073 |
| Tritanopia (no blue cones) | #A84B4D | 0.076 |
| Achromatopsia (no color) | #696969 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99591F
#99591F
oklch(52.8% 0.11 58.4)
- #1773A3
#1773A3
oklch(52.8% 0.11 238.2)
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 #99591F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sepia #985E2B ΔE 0.013
- Sienna #A0522D ΔE 0.028
- Warm Brown #964E02 ΔE 0.028
- Raw Sienna #9A6200 ΔE 0.031
- Raw Umber #A75E09 ΔE 0.032
- Cinnamon #AC4F06 ΔE 0.038
- Earth #A2653E ΔE 0.042
- Cocoa #875F42 ΔE 0.043
Use #99591F 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.