#665C23
Closest named color: Mud (#735C12). oklch(47.2% 0.078 99.4), rgb(102, 92, 35).
Aa
White text reads best on this color (6.73:1).
About this color
#665C23 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 47%, its chroma 0.078 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Mud (#735C12), ΔE 0.023 away. White text reads best on it, at 6.73:1.
| Hue family | Browns |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Mud (#735C12) |
| Black text | 3.12:1 |
| White text | 6.73:1 |
Values
| HEX | #665C23 |
| RGB | rgb(102, 92, 35) |
| HSL | hsl(51, 49%, 27%) |
| OKLCH | oklch(47.2% 0.078 99.4) |
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 #665C23 | 6.73:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #665C23 | 3.12:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #665C23 text on white | 6.73:1 | AA | Lc 83.1 | Fine for body text |
| #665C23 text on black | 3.12:1 | AA large text | Lc -18.8 | 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 700.
-
Step 50
50
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#EBEAE2
oklch(93.6% 0.011 100.8)
-
Step 200
200
#DCDACA
oklch(88.6% 0.022 101)
-
Step 300
300
#C6C2A6
oklch(81% 0.038 100.5)
-
Step 400
400
#A9A276
oklch(70.7% 0.061 100.1)
-
Step 500
500
#958B53
oklch(63.2% 0.077 99.4)
-
Step 600
600
#7F7436
oklch(55.5% 0.084 99.4)
-
Step 700
700 (this color)
#665C23
oklch(47.2% 0.078 99.4)
-
Step 800
800
#575023
oklch(42.8% 0.065 100.6)
-
Step 900
900
#484222
oklch(37.7% 0.049 98.9)
-
Step 950
950
#2A2714
oklch(27% 0.032 100.4)
#665C23 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) | #65591D | 0.009 |
| Deuteranopia (no green cones) | #685D26 | 0.005 |
| Tritanopia (no blue cones) | #6E5550 | 0.072 |
| Achromatopsia (no color) | #5C5C5C | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665C23
#665C23
oklch(47.2% 0.078 99.4)
- #525686
#525686
oklch(47.1% 0.078 279.3)
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 #665C23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud #735C12 ΔE 0.023
- Greeny Brown #696006 ΔE 0.025
- Olive Brown #645403 ΔE 0.027
- Camo Green #526525 ΔE 0.039
- Mud Green #606602 ΔE 0.042
- Dark Moss Green #606C38 ΔE 0.045
- Army Green #4B5D16 ΔE 0.047
- Dark Olive Green #556B2F ΔE 0.047
Use #665C23 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.