#645416
Closest named color: Olive Brown (#645403). oklch(45% 0.081 94.1), rgb(100, 84, 22).
Aa
White text reads best on this color (7.44:1).
About this color
#645416 is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.081 and its hue 94°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.010 away. White text reads best on it, at 7.44:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.82:1 |
| White text | 7.44:1 |
Values
| HEX | #645416 |
| RGB | rgb(100, 84, 22) |
| HSL | hsl(48, 64%, 24%) |
| OKLCH | oklch(45% 0.081 94.1) |
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 #645416 | 7.44:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #645416 | 2.82:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #645416 text on white | 7.44:1 | AAA | Lc 85.8 | Fine for body text |
| #645416 text on black | 2.82:1 | Fails | Lc -16.3 | 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
#EDEAE0
oklch(93.7% 0.014 93)
-
Step 200
200
#DFD9C6
oklch(88.5% 0.026 92.4)
-
Step 300
300
#CAC19E
oklch(80.9% 0.048 95.3)
-
Step 400
400
#B0A069
oklch(70.7% 0.076 93.8)
-
Step 500
500
#9D883E
oklch(63.1% 0.097 93.6)
-
Step 600
600
#887218
oklch(55.7% 0.106 94.2)
-
Step 700
700
#735F07
oklch(49.1% 0.098 94.1)
-
Step 800
800 (this color)
#645416
oklch(45% 0.081 94.1)
-
Step 900
900
#4D4115
oklch(37.8% 0.063 93.8)
-
Step 950
950
#2D260E
oklch(27% 0.04 93.3)
#645416 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) | #5E520C | 0.014 |
| Deuteranopia (no green cones) | #62571A | 0.009 |
| Tritanopia (no blue cones) | #6D4D48 | 0.075 |
| Achromatopsia (no color) | #555555 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645416
#645416
oklch(45% 0.081 94.1)
- #475182
#475182
oklch(44.9% 0.081 273.9)
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 #645416, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.010
- Green Brown #544E03 ΔE 0.037
- Mud #735C12 ΔE 0.037
- Greeny Brown #696006 ΔE 0.040
- Mud Brown #60460F ΔE 0.042
- Army Green #4B5D16 ΔE 0.047
- Medium Brown #7F5112 ΔE 0.049
- Camo Green #526525 ΔE 0.053
Use #645416 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.