#99643A
Closest named color: Earth (#A2653E). oklch(55.1% 0.089 57.9), rgb(153, 100, 58).
Aa
White text reads best on this color (4.95:1).
About this color
#99643A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.089 and its hue 58°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.018 away. White text reads best on it, at 4.95:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #99643A |
| RGB | rgb(153, 100, 58) |
| HSL | hsl(27, 45%, 41%) |
| OKLCH | oklch(55.1% 0.089 57.9) |
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 #99643A | 4.95:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #99643A | 4.23:1 | AA large text | Lc 30.0 | Dividers and decoration only |
| #99643A text on white | 4.95:1 | AA | Lc 74.1 | Content text, not long reading |
| #99643A text on black | 4.23:1 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#F0E8E2
oklch(93.6% 0.012 59.6)
-
Step 200
200
#E5D6CB
oklch(88.5% 0.022 58.8)
-
Step 300
300
#D5BBA8
oklch(80.9% 0.04 58.3)
-
Step 400
400
#C09779
oklch(70.7% 0.065 57.7)
-
Step 500
500
#AF7D56
oklch(63.1% 0.082 58.5)
-
Step 600
600 (this color)
#99643A
oklch(55.1% 0.089 57.9)
-
Step 700
700
#84542E
oklch(49.1% 0.083 57.6)
-
Step 800
800
#6B4527
oklch(42.7% 0.068 57.8)
-
Step 900
900
#573A24
oklch(37.7% 0.054 57.4)
-
Step 950
950
#332215
oklch(26.9% 0.034 58.1)
#99643A 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) | #746936 | 0.066 |
| Deuteranopia (no green cones) | #80753A | 0.061 |
| Tritanopia (no blue cones) | #A6595A | 0.063 |
| Achromatopsia (no color) | #707070 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99643A
#99643A
oklch(55.1% 0.089 57.9)
- #3979A0
#3979A0
oklch(55.1% 0.089 238.1)
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 #99643A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.018
- Sepia #985E2B ΔE 0.018
- Dirt #8A6E45 ΔE 0.033
- Raw Sienna #9A6200 ΔE 0.037
- Raw Umber #A75E09 ΔE 0.038
- Dull Brown #876E4B ΔE 0.038
- Cocoa #875F42 ΔE 0.038
- Dirt Brown #836539 ΔE 0.039
Use #99643A 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.