#99664B
Closest named color: Earth (#A2653E). oklch(55.8% 0.077 48.5), rgb(153, 102, 75).
Aa
White text reads best on this color (4.82:1).
About this color
#99664B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.077 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.021 away. White text reads best on it, at 4.82:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.35:1 |
| White text | 4.82:1 |
Values
| HEX | #99664B |
| RGB | rgb(153, 102, 75) |
| HSL | hsl(21, 34%, 45%) |
| OKLCH | oklch(55.8% 0.077 48.5) |
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 #99664B | 4.82:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #99664B | 4.35:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #99664B text on white | 4.82:1 | AA | Lc 73.3 | Content text, not long reading |
| #99664B text on black | 4.35:1 | AA large text | Lc -28.4 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#F0E8E4
oklch(93.6% 0.01 48.6)
-
Step 200
200
#E4D6CE
oklch(88.5% 0.019 51.9)
-
Step 300
300
#D4BBAE
oklch(81% 0.034 49.3)
-
Step 400
400
#BE9783
oklch(70.7% 0.055 48.5)
-
Step 500
500
#AD7D63
oklch(63.1% 0.071 49.5)
-
Step 600
600 (this color)
#99664B
oklch(55.8% 0.077 48.5)
-
Step 700
700
#82543C
oklch(49.1% 0.071 48.1)
-
Step 800
800
#6A4531
oklch(42.8% 0.06 49)
-
Step 900
900
#563A2C
oklch(37.7% 0.046 47.4)
-
Step 950
950
#32221A
oklch(26.9% 0.029 47.6)
#99664B 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) | #746B49 | 0.064 |
| Deuteranopia (no green cones) | #80764B | 0.059 |
| Tritanopia (no blue cones) | #A55D5F | 0.047 |
| Achromatopsia (no color) | #727272 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99664B
#99664B
oklch(55.8% 0.077 48.5)
- #3E7D98
#3E7D98
oklch(55.9% 0.077 228.4)
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 #99664B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.021
- Sepia #985E2B ΔE 0.036
- Dirt #8A6E45 ΔE 0.036
- Dull Brown #876E4B ΔE 0.036
- Cocoa #875F42 ΔE 0.040
- Mocha #9D7651 ΔE 0.043
- Dark Taupe #7F684E ΔE 0.044
- Dirt Brown #836539 ΔE 0.047
Use #99664B 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.