#99390F
Closest named color: Russet (#A13905). oklch(47.4% 0.138 40.4), rgb(153, 57, 15).
Aa
White text reads best on this color (7.12:1).
About this color
#99390F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 47%, its chroma 0.138 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Russet (#A13905), ΔE 0.016 away. White text reads best on it, at 7.12:1.
| Hue family | Browns |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Russet (#A13905) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #99390F |
| RGB | rgb(153, 57, 15) |
| HSL | hsl(18, 82%, 33%) |
| OKLCH | oklch(47.4% 0.138 40.4) |
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 #99390F | 7.12:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #99390F | 2.94:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #99390F text on white | 7.12:1 | AAA | Lc 83.9 | Fine for body text |
| #99390F text on black | 2.94:1 | Fails | Lc -18.1 | 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 700.
-
Step 50
50
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F0D2C7
oklch(88.6% 0.037 41.2)
-
Step 300
300
#E7B3A0
oklch(80.9% 0.066 41)
-
Step 400
400
#D9896C
oklch(70.6% 0.107 40.6)
-
Step 500
500
#CD6944
oklch(63.1% 0.137 40.5)
-
Step 600
600
#B84E24
oklch(55.6% 0.148 40.4)
-
Step 700
700 (this color)
#99390F
oklch(47.4% 0.138 40.4)
-
Step 800
800
#813415
oklch(42.7% 0.115 40.6)
-
Step 900
900
#682E19
oklch(37.7% 0.09 39.9)
-
Step 950
950
#3D1C10
oklch(27.1% 0.056 40.4)
#99390F 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) | #554A06 | 0.136 |
| Deuteranopia (no green cones) | #6C6009 | 0.123 |
| Tritanopia (no blue cones) | #A91F31 | 0.063 |
| Achromatopsia (no color) | #585858 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99390F
#99390F
oklch(47.4% 0.138 40.4)
- #00677E
#00677E
oklch(47.5% 0.087 220.2)
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 #99390F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Russet #A13905 ΔE 0.016
- Brick #A03623 ΔE 0.023
- Burnt Umber #A0450E ΔE 0.031
- Brown Red #922B05 ΔE 0.032
- Saddle Brown #8B4513 ΔE 0.035
- Burnt Red #9F2305 ΔE 0.035
- Rust Brown #8B3103 ΔE 0.036
- Rust Red #AA2704 ΔE 0.039
Use #99390F 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.