#45521B
Closest named color: Green Brown (#544E03). oklch(41.5% 0.08 121.2), rgb(69, 82, 27).
Aa
White text reads best on this color (8.48:1).
About this color
#45521B is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.080 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.025 away. White text reads best on it, at 8.48:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.47:1 |
| White text | 8.48:1 |
Values
| HEX | #45521B |
| RGB | rgb(69, 82, 27) |
| HSL | hsl(74, 50%, 21%) |
| OKLCH | oklch(41.5% 0.08 121.2) |
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 #45521B | 8.48:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #45521B | 2.47:1 | Fails | Lc 14.9 | Not readable |
| #45521B text on white | 8.48:1 | AAA | Lc 89.1 | Fine for body text |
| #45521B text on black | 2.47:1 | Fails | Lc -13.1 | Not readable |
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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E8EBE2
oklch(93.5% 0.012 121.7)
-
Step 200
200
#D6DCC9
oklch(88.5% 0.026 121.2)
-
Step 300
300
#BCC6A5
oklch(81% 0.046 121.1)
-
Step 400
400
#99A873
oklch(70.6% 0.075 121.2)
-
Step 500
500
#81924E
oklch(63% 0.095 120.7)
-
Step 600
600
#6A7C30
oklch(55.5% 0.104 121.1)
-
Step 700
700
#586923
oklch(49.1% 0.097 121.7)
-
Step 800
800 (this color)
#45521B
oklch(41.5% 0.08 121.2)
-
Step 900
900
#3C471F
oklch(37.8% 0.063 122.2)
-
Step 950
950
#232913
oklch(26.8% 0.038 121.5)
#45521B 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) | #574D14 | 0.031 |
| Deuteranopia (no green cones) | #564D1F | 0.032 |
| Tritanopia (no blue cones) | #494E46 | 0.066 |
| Achromatopsia (no color) | #4D4D4D | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45521B
#45521B
oklch(41.5% 0.08 121.2)
- #534070
#534070
oklch(41.3% 0.081 301.2)
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 #45521B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.025
- Navy Green #35530A ΔE 0.029
- Army Green #4B5D16 ΔE 0.038
- Pine #2B5D34 ΔE 0.042
- Camouflage Green #4B6113 ΔE 0.051
- Olive Brown #645403 ΔE 0.052
- Mud Brown #60460F ΔE 0.054
- Spruce #0A5F38 ΔE 0.059
Use #45521B 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.