#99640F
Closest named color: Raw Sienna (#9A6200). oklch(54.7% 0.113 71.5), rgb(153, 100, 15).
Aa
White text reads best on this color (5.01:1).
About this color
#99640F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.113 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Sienna (#9A6200), ΔE 0.006 away. White text reads best on it, at 5.01:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.113) |
| Temperature | warm |
| Nearest name | Raw Sienna (#9A6200) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #99640F |
| RGB | rgb(153, 100, 15) |
| HSL | hsl(37, 82%, 33%) |
| OKLCH | oklch(54.7% 0.113 71.5) |
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 #99640F | 5.01:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #99640F | 4.18:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #99640F text on white | 5.01:1 | AA | Lc 74.4 | Content text, not long reading |
| #99640F text on black | 4.18:1 | AA large text | Lc -27.3 | 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
#E5D7C5
oklch(88.6% 0.029 74.3)
-
Step 300
300
#D6BC9D
oklch(80.9% 0.051 71.9)
-
Step 400
400
#C19867
oklch(70.7% 0.082 70.9)
-
Step 500
500
#B07E3C
oklch(63% 0.103 71.5)
-
Step 600
600 (this color)
#99640F
oklch(54.7% 0.113 71.5)
-
Step 700
700
#855502
oklch(49.1% 0.105 71.5)
-
Step 800
800
#6C460A
oklch(42.8% 0.087 71.9)
-
Step 900
900
#583B13
oklch(37.8% 0.068 71.4)
-
Step 950
950
#33230D
oklch(27% 0.042 73)
#99640F 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) | #766800 | 0.064 |
| Deuteranopia (no green cones) | #837413 | 0.055 |
| Tritanopia (no blue cones) | #A85755 | 0.091 |
| Achromatopsia (no color) | #6F6F6F | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99640F
#99640F
oklch(54.7% 0.113 71.5)
- #3A74B0
#3A74B0
oklch(54.8% 0.112 251.3)
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 #99640F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Sienna #9A6200 ΔE 0.006
- Raw Umber #A75E09 ΔE 0.028
- Sepia #985E2B ΔE 0.028
- Muddy Brown #886806 ΔE 0.033
- Earth #A2653E ΔE 0.043
- Orangey Brown #B16002 ΔE 0.044
- Umber #B26400 ΔE 0.045
- Dirt Brown #836539 ΔE 0.046
Use #99640F 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.