#634500
Closest named color: Mud Brown (#60460F). oklch(41.3% 0.085 80.3), rgb(99, 69, 0).
Aa
White text reads best on this color (8.81:1).
About this color
#634500 is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.085 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.009 away. White text reads best on it, at 8.81:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.38:1 |
| White text | 8.81:1 |
Values
| HEX | #634500 |
| RGB | rgb(99, 69, 0) |
| HSL | hsl(42, 100%, 19%) |
| OKLCH | oklch(41.3% 0.085 80.3) |
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 #634500 | 8.81:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #634500 | 2.38:1 | Fails | Lc 14.0 | Not readable |
| #634500 text on white | 8.81:1 | AAA | Lc 89.9 | Fine for body text |
| #634500 text on black | 2.38:1 | Fails | Lc -12.3 | Not readable |
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 800.
-
Step 50
50
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#EFE9DF
oklch(93.6% 0.015 80.7)
-
Step 200
200
#E3D8C5
oklch(88.6% 0.028 81.5)
-
Step 300
300
#D2BE9D
oklch(81% 0.05 80.2)
-
Step 400
400
#BB9B66
oklch(70.6% 0.08 79.5)
-
Step 500
500
#AA823A
oklch(63.1% 0.102 79.7)
-
Step 600
600
#956B0E
oklch(55.7% 0.111 80.3)
-
Step 700
700
#7E5900
oklch(49% 0.101 80.5)
-
Step 800
800 (this color)
#634500
oklch(41.3% 0.085 80.3)
-
Step 900
900
#543D11
oklch(37.7% 0.067 80)
-
Step 950
950
#31240C
oklch(27% 0.042 80.6)
#634500 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) | #514600 | 0.034 |
| Deuteranopia (no green cones) | #584D04 | 0.029 |
| Tritanopia (no blue cones) | #6D3C3A | 0.076 |
| Achromatopsia (no color) | #4A4A4A | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634500
#634500
oklch(41.3% 0.085 80.3)
- #2F4B79
#2F4B79
oklch(41.4% 0.085 259.9)
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 #634500, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.009
- Green Brown #544E03 ΔE 0.036
- Olive Brown #645403 ΔE 0.043
- Milk Chocolate #7F4E1E ΔE 0.065
- Medium Brown #7F5112 ΔE 0.066
- Mud #735C12 ΔE 0.074
- Army Green #4B5D16 ΔE 0.076
- Chestnut #742802 ΔE 0.077
Use #634500 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.