#684E18
Closest named color: Olive Brown (#645403). oklch(44.1% 0.078 82.1), rgb(104, 78, 24).
Aa
White text reads best on this color (7.80:1).
About this color
#684E18 is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.078 and its hue 82°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.026 away. White text reads best on it, at 7.80:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.69:1 |
| White text | 7.80:1 |
Values
| HEX | #684E18 |
| RGB | rgb(104, 78, 24) |
| HSL | hsl(41, 63%, 25%) |
| OKLCH | oklch(44.1% 0.078 82.1) |
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 #684E18 | 7.80:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #684E18 | 2.69:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #684E18 text on white | 7.80:1 | AAA | Lc 87.0 | Fine for body text |
| #684E18 text on black | 2.69:1 | Fails | Lc -15.1 | 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 800.
-
Step 50
50
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EEE9E0
oklch(93.5% 0.013 82.4)
-
Step 200
200
#E1D8C7
oklch(88.5% 0.025 83.4)
-
Step 300
300
#CFBEA0
oklch(80.8% 0.045 81.8)
-
Step 400
400
#B79D6C
oklch(70.8% 0.073 82.8)
-
Step 500
500
#A58443
oklch(63.1% 0.093 82.6)
-
Step 600
600
#916D21
oklch(55.7% 0.101 82)
-
Step 700
700
#7B5B12
oklch(49.2% 0.094 82.6)
-
Step 800
800 (this color)
#684E18
oklch(44.1% 0.078 82.1)
-
Step 900
900
#523E18
oklch(37.7% 0.061 81.1)
-
Step 950
950
#30250F
oklch(27.2% 0.039 83.1)
#684E18 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) | #594E11 | 0.029 |
| Deuteranopia (no green cones) | #5F551A | 0.025 |
| Tritanopia (no blue cones) | #714643 | 0.069 |
| Achromatopsia (no color) | #525252 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684E18
#684E18
oklch(44.1% 0.078 82.1)
- #3B527E
#3B527E
oklch(44.1% 0.078 262.6)
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 #684E18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.026
- Mud Brown #60460F ΔE 0.029
- Green Brown #544E03 ΔE 0.041
- Medium Brown #7F5112 ΔE 0.044
- Milk Chocolate #7F4E1E ΔE 0.044
- Mud #735C12 ΔE 0.048
- Greeny Brown #696006 ΔE 0.057
- Army Green #4B5D16 ΔE 0.064
Use #684E18 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.