#665A0D
Closest named color: Olive Brown (#645403). oklch(46.5% 0.091 99.6), rgb(102, 90, 13).
Aa
White text reads best on this color (6.92:1).
About this color
#665A0D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 47%, its chroma 0.091 and its hue 100°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.018 away. White text reads best on it, at 6.92:1.
| Hue family | Browns |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 3.03:1 |
| White text | 6.92:1 |
Values
| HEX | #665A0D |
| RGB | rgb(102, 90, 13) |
| HSL | hsl(52, 77%, 23%) |
| OKLCH | oklch(46.5% 0.091 99.6) |
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 #665A0D | 6.92:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #665A0D | 3.03:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #665A0D text on white | 6.92:1 | AA | Lc 83.8 | Fine for body text |
| #665A0D text on black | 3.03:1 | AA large text | Lc -18.1 | 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 700.
-
Step 50
50
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DDDAC8
oklch(88.6% 0.024 99.1)
-
Step 300
300
#C7C2A1
oklch(80.9% 0.045 100.2)
-
Step 400
400
#ABA26E
oklch(70.7% 0.071 99.6)
-
Step 500
500
#968B46
oklch(63.1% 0.091 100.4)
-
Step 600
600
#817426
oklch(55.6% 0.098 99.7)
-
Step 700
700 (this color)
#665A0D
oklch(46.5% 0.091 99.6)
-
Step 800
800
#595017
oklch(42.8% 0.076 100.2)
-
Step 900
900
#49421A
oklch(37.7% 0.059 99.5)
-
Step 950
950
#2B2710
oklch(27.1% 0.038 99.6)
#665A0D 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) | #645700 | 0.010 |
| Deuteranopia (no green cones) | #675C13 | 0.006 |
| Tritanopia (no blue cones) | #6F524C | 0.085 |
| Achromatopsia (no color) | #5A5A5A | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665A0D
#665A0D
oklch(46.5% 0.091 99.6)
- #50538C
#50538C
oklch(46.6% 0.092 279.9)
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 #665A0D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.018
- Greeny Brown #696006 ΔE 0.020
- Mud #735C12 ΔE 0.024
- Mud Green #606602 ΔE 0.038
- Camo Green #526525 ΔE 0.040
- Army Green #4B5D16 ΔE 0.042
- Camouflage Green #4B6113 ΔE 0.045
- Green Brown #544E03 ΔE 0.050
Use #665A0D 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.