#99664E
Closest named color: Earth (#A2653E). oklch(55.9% 0.075 45.9), rgb(153, 102, 78).
Aa
White text reads best on this color (4.81:1).
About this color
#99664E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.075 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.023 away. White text reads best on it, at 4.81:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.36:1 |
| White text | 4.81:1 |
Values
| HEX | #99664E |
| RGB | rgb(153, 102, 78) |
| HSL | hsl(19, 32%, 45%) |
| OKLCH | oklch(55.9% 0.075 45.9) |
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 #99664E | 4.81:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #99664E | 4.36:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #99664E text on white | 4.81:1 | AA | Lc 73.2 | Content text, not long reading |
| #99664E text on black | 4.36:1 | AA large text | Lc -28.5 | 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
#F8F4F3
oklch(97% 0.005 34.3)
-
Step 100
100
#F0E8E4
oklch(93.6% 0.01 48.6)
-
Step 200
200
#E4D6CF
oklch(88.5% 0.018 48.5)
-
Step 300
300
#D4BAAF
oklch(80.8% 0.034 44.3)
-
Step 400
400
#BE9785
oklch(70.8% 0.054 46)
-
Step 500
500
#AD7D66
oklch(63.2% 0.069 46.6)
-
Step 600
600 (this color)
#99664E
oklch(55.9% 0.075 45.9)
-
Step 700
700
#82543E
oklch(49.2% 0.07 46.2)
-
Step 800
800
#6A4534
oklch(42.8% 0.058 45.4)
-
Step 900
900
#563A2D
oklch(37.7% 0.045 45.8)
-
Step 950
950
#32221B
oklch(26.9% 0.028 44.6)
#99664E 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) | #736C4C | 0.066 |
| Deuteranopia (no green cones) | #7F764E | 0.060 |
| Tritanopia (no blue cones) | #A55D60 | 0.045 |
| Achromatopsia (no color) | #727272 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99664E
#99664E
oklch(55.9% 0.075 45.9)
- #3E7D96
#3E7D96
oklch(55.8% 0.075 226.5)
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 #99664E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.023
- Dull Brown #876E4B ΔE 0.038
- Dirt #8A6E45 ΔE 0.038
- Sepia #985E2B ΔE 0.039
- Cocoa #875F42 ΔE 0.041
- Mocha #9D7651 ΔE 0.044
- Dark Taupe #7F684E ΔE 0.045
- Grey Brown #7F7053 ΔE 0.048
Use #99664E 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.