#99666D
Closest named color: Reddish Grey (#997570). oklch(56.6% 0.066 10.4), rgb(153, 102, 109).
Aa
White text reads best on this color (4.69:1).
About this color
#99666D is a medium-dark, muted red. In OKLCH its lightness is 57%, its chroma 0.066 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.040 away. White text reads best on it, at 4.69:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #99666D |
| RGB | rgb(153, 102, 109) |
| HSL | hsl(352, 20%, 50%) |
| OKLCH | oklch(56.6% 0.066 10.4) |
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 #99666D | 4.69:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #99666D | 4.47:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #99666D text on white | 4.69:1 | AA | Lc 72.5 | Content text, not long reading |
| #99666D text on black | 4.47:1 | AA large text | Lc -29.2 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE8E8
oklch(93.6% 0.008 17.3)
-
Step 200
200
#E4D5D6
oklch(88.5% 0.017 12.8)
-
Step 300
300
#D3B9BC
oklch(80.9% 0.03 9.9)
-
Step 400
400
#BC9599
oklch(70.7% 0.047 11.4)
-
Step 500
500
#AB7A81
oklch(63.1% 0.062 9.5)
-
Step 600
600 (this color)
#99666D
oklch(56.6% 0.066 10.4)
-
Step 700
700
#805258
oklch(49.2% 0.062 11.1)
-
Step 800
800
#684348
oklch(42.7% 0.052 10.6)
-
Step 900
900
#55393C
oklch(37.8% 0.04 12.1)
-
Step 950
950
#322123
oklch(27% 0.026 11.2)
#99666D 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) | #6E6E6D | 0.072 |
| Deuteranopia (no green cones) | #7B776C | 0.066 |
| Tritanopia (no blue cones) | #A26268 | 0.018 |
| Achromatopsia (no color) | #747474 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99666D
#99666D
oklch(56.6% 0.066 10.4)
- #43837F
#43837F
oklch(56.6% 0.066 190.1)
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 #99666D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.040
- Purple Grey #866F85 ΔE 0.046
- Dusky Purple #895B7B ΔE 0.053
- Mauve #AE7181 ΔE 0.054
- Grey Purple #826D8C ΔE 0.057
- Light Plum #9D5783 ΔE 0.059
- Dusky Rose #BA6873 ΔE 0.061
- Pinkish Brown #B17261 ΔE 0.061
Use #99666D 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.