#645E08
Closest named color: Greeny Brown (#696006). oklch(47.3% 0.097 105.1), rgb(100, 94, 8).
Aa
White text reads best on this color (6.67:1).
About this color
#645E08 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 47%, its chroma 0.097 and its hue 105°. Its hue sits on the warm side of the wheel. The nearest named color is Greeny Brown (#696006), ΔE 0.011 away. White text reads best on it, at 6.67:1.
| Hue family | Browns |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Greeny Brown (#696006) |
| Black text | 3.14:1 |
| White text | 6.67:1 |
Values
| HEX | #645E08 |
| RGB | rgb(100, 94, 8) |
| HSL | hsl(56, 85%, 21%) |
| OKLCH | oklch(47.3% 0.097 105.1) |
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 #645E08 | 6.67:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #645E08 | 3.14:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #645E08 text on white | 6.67:1 | AA | Lc 82.8 | Fine for body text |
| #645E08 text on black | 3.14:1 | AA large text | Lc -19.1 | 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
#EBEAE0
oklch(93.5% 0.013 102)
-
Step 200
200
#DBDAC7
oklch(88.4% 0.026 104.5)
-
Step 300
300
#C5C3A0
oklch(81% 0.047 104.7)
-
Step 400
400
#A7A46C
oklch(70.8% 0.076 105.6)
-
Step 500
500
#928D43
oklch(63.2% 0.096 105.3)
-
Step 600
600
#7D7620
oklch(55.6% 0.104 104.6)
-
Step 700
700 (this color)
#645E08
oklch(47.3% 0.097 105.1)
-
Step 800
800
#565113
oklch(42.7% 0.08 104.7)
-
Step 900
900
#474318
oklch(37.7% 0.062 104)
-
Step 950
950
#29270F
oklch(26.8% 0.039 104.4)
#645E08 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) | #675A00 | 0.012 |
| Deuteranopia (no green cones) | #695E11 | 0.010 |
| Tritanopia (no blue cones) | #6C574F | 0.088 |
| Achromatopsia (no color) | #5C5C5C | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645E08
#645E08
oklch(47.3% 0.097 105.1)
- #575290
#575290
oklch(47.2% 0.098 285.7)
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 #645E08, closest first.
No curated palette has a color within ΔE 0.04 of #645E08.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Brown #696006 ΔE 0.011
- Mud Green #606602 ΔE 0.025
- Mud #735C12 ΔE 0.028
- Olive Brown #645403 ΔE 0.029
- Camo Green #526525 ΔE 0.031
- Camouflage Green #4B6113 ΔE 0.038
- Army Green #4B5D16 ΔE 0.039
- Dark Olive Green #556B2F ΔE 0.042
Use #645E08 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.