#99661F
Closest named color: Raw Sienna (#9A6200). oklch(55.2% 0.106 70.4), rgb(153, 102, 31).
Aa
White text reads best on this color (4.91:1).
About this color
#99661F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.106 and its hue 70°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Sienna (#9A6200), ΔE 0.014 away. White text reads best on it, at 4.91:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Raw Sienna (#9A6200) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #99661F |
| RGB | rgb(153, 102, 31) |
| HSL | hsl(35, 66%, 36%) |
| OKLCH | oklch(55.2% 0.106 70.4) |
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 #99661F | 4.91:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #99661F | 4.27:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #99661F text on white | 4.91:1 | AA | Lc 73.8 | Content text, not long reading |
| #99661F text on black | 4.27:1 | AA large text | Lc -27.9 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E8E0
oklch(93.5% 0.014 67.7)
-
Step 200
200
#E5D7C7
oklch(88.6% 0.027 71.2)
-
Step 300
300
#D5BCA0
oklch(80.9% 0.048 70.2)
-
Step 400
400
#BF996C
oklch(70.7% 0.076 70.8)
-
Step 500
500
#AF7F43
oklch(63.2% 0.097 70.6)
-
Step 600
600 (this color)
#99661F
oklch(55.2% 0.106 70.4)
-
Step 700
700
#845512
oklch(49.1% 0.099 69.7)
-
Step 800
800
#6B4613
oklch(42.7% 0.082 70.2)
-
Step 900
900
#573B18
oklch(37.7% 0.063 69.7)
-
Step 950
950
#33230F
oklch(27.1% 0.04 70.8)
#99661F 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) | #776914 | 0.061 |
| Deuteranopia (no green cones) | #837521 | 0.053 |
| Tritanopia (no blue cones) | #A75958 | 0.086 |
| Achromatopsia (no color) | #717171 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99661F
#99661F
oklch(55.2% 0.106 70.4)
- #3E76AE
#3E76AE
oklch(55.3% 0.106 250.3)
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 #99661F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Sienna #9A6200 ΔE 0.014
- Sepia #985E2B ΔE 0.026
- Raw Umber #A75E09 ΔE 0.029
- Muddy Brown #886806 ΔE 0.035
- Earth #A2653E ΔE 0.036
- Dirt #8A6E45 ΔE 0.040
- Orangey Brown #B16002 ΔE 0.043
- Dirt Brown #836539 ΔE 0.043
Use #99661F 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.