#99660B
Closest named color: Raw Sienna (#9A6200). oklch(55.1% 0.114 73.7), rgb(153, 102, 11).
Aa
White text reads best on this color (4.92:1).
About this color
#99660B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.114 and its hue 74°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Sienna (#9A6200), ΔE 0.010 away. White text reads best on it, at 4.92:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Raw Sienna (#9A6200) |
| Black text | 4.25:1 |
| White text | 4.92:1 |
Values
| HEX | #99660B |
| RGB | rgb(153, 102, 11) |
| HSL | hsl(38, 87%, 32%) |
| OKLCH | oklch(55.1% 0.114 73.7) |
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 #99660B | 4.92:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #99660B | 4.25:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #99660B text on white | 4.92:1 | AA | Lc 73.9 | Content text, not long reading |
| #99660B text on black | 4.25:1 | AA large text | Lc -27.8 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#F0E9DF
oklch(93.7% 0.015 77.1)
-
Step 200
200
#E5D7C5
oklch(88.6% 0.029 74.3)
-
Step 300
300
#D5BC9D
oklch(80.9% 0.051 73)
-
Step 400
400
#C09966
oklch(70.7% 0.082 73.3)
-
Step 500
500
#AF7F3A
oklch(63.1% 0.104 73.7)
-
Step 600
600 (this color)
#99660B
oklch(55.1% 0.114 73.7)
-
Step 700
700
#835600
oklch(49.1% 0.104 74.1)
-
Step 800
800
#6B4606
oklch(42.6% 0.087 73.5)
-
Step 900
900
#573B12
oklch(37.6% 0.068 73)
-
Step 950
950
#33230C
oklch(27% 0.043 74)
#99660B 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) | #786900 | 0.059 |
| Deuteranopia (no green cones) | #847510 | 0.052 |
| Tritanopia (no blue cones) | #A85957 | 0.095 |
| Achromatopsia (no color) | #707070 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99660B
#99660B
oklch(55.1% 0.114 73.7)
- #3E74B3
#3E74B3
oklch(55.2% 0.114 253.7)
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 #99660B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Sienna #9A6200 ΔE 0.010
- Raw Umber #A75E09 ΔE 0.031
- Muddy Brown #886806 ΔE 0.031
- Sepia #985E2B ΔE 0.033
- Hazel #8E7618 ΔE 0.044
- Orangey Brown #B16002 ΔE 0.044
- Earth #A2653E ΔE 0.045
- Umber #B26400 ΔE 0.045
Use #99660B 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.