#665604
Closest named color: Olive Brown (#645403). oklch(45.6% 0.092 96.3), rgb(102, 86, 4).
Aa
White text reads best on this color (7.24:1).
About this color
#665604 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 46%, its chroma 0.092 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.007 away. White text reads best on it, at 7.24:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.89:1 |
| White text | 7.24:1 |
Values
| HEX | #665604 |
| RGB | rgb(102, 86, 4) |
| HSL | hsl(50, 92%, 21%) |
| OKLCH | oklch(45.6% 0.092 96.3) |
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 #665604 | 7.24:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #665604 | 2.89:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #665604 text on white | 7.24:1 | AAA | Lc 85.0 | Fine for body text |
| #665604 text on black | 2.89:1 | Fails | Lc -17.0 | 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EDEADF
oklch(93.6% 0.015 94.2)
-
Step 200
200
#DFDAC4
oklch(88.6% 0.03 96.4)
-
Step 300
300
#CAC19A
oklch(80.8% 0.053 96.6)
-
Step 400
400
#B0A161
oklch(70.7% 0.086 96.5)
-
Step 500
500
#9D892F
oklch(63.1% 0.11 96.5)
-
Step 600
600
#877200
oklch(55.5% 0.114 96.2)
-
Step 700
700
#726000
oklch(49.2% 0.101 96.3)
-
Step 800
800 (this color)
#665604
oklch(45.6% 0.092 96.3)
-
Step 900
900
#4D410A
oklch(37.7% 0.072 95.9)
-
Step 950
950
#2D2609
oklch(26.9% 0.045 95.6)
#665604 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) | #605400 | 0.013 |
| Deuteranopia (no green cones) | #64590C | 0.009 |
| Tritanopia (no blue cones) | #6F4E48 | 0.084 |
| Achromatopsia (no color) | #575757 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665604
#665604
oklch(45.6% 0.092 96.3)
- #49518A
#49518A
oklch(45.5% 0.093 276)
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 #665604, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.007
- Greeny Brown #696006 ΔE 0.030
- Mud #735C12 ΔE 0.031
- Green Brown #544E03 ΔE 0.041
- Army Green #4B5D16 ΔE 0.044
- Mud Green #606602 ΔE 0.048
- Camo Green #526525 ΔE 0.049
- Medium Brown #7F5112 ΔE 0.049
Use #665604 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.