#424B18
Closest named color: Green Brown (#544E03). oklch(39.3% 0.074 118.4), rgb(66, 75, 24).
Aa
White text reads best on this color (9.32:1).
About this color
#424B18 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.074 and its hue 118°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.033 away. White text reads best on it, at 9.32:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.25:1 |
| White text | 9.32:1 |
Values
| HEX | #424B18 |
| RGB | rgb(66, 75, 24) |
| HSL | hsl(71, 52%, 19%) |
| OKLCH | oklch(39.3% 0.074 118.4) |
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 #424B18 | 9.32:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #424B18 | 2.25:1 | Fails | Lc 12.5 | Not readable |
| #424B18 text on white | 9.32:1 | AAA | Lc 91.5 | Preferred for body text |
| #424B18 text on black | 2.25:1 | Fails | Lc -10.9 | 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 900.
-
Step 50
50
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E8EBE0
oklch(93.5% 0.015 119.1)
-
Step 200
200
#D7DCC6
oklch(88.5% 0.03 117.4)
-
Step 300
300
#BDC69E
oklch(80.9% 0.055 117.9)
-
Step 400
400
#9BA968
oklch(70.8% 0.089 118.7)
-
Step 500
500
#83933C
oklch(63.2% 0.114 118.5)
-
Step 600
600
#6D7C13
oklch(55.5% 0.123 118.1)
-
Step 700
700
#5B6901
oklch(49.2% 0.115 118.5)
-
Step 800
800
#4A5609
oklch(42.8% 0.096 118.9)
-
Step 900
900 (this color)
#424B18
oklch(39.3% 0.074 118.4)
-
Step 950
950
#24290D
oklch(26.8% 0.046 118)
#424B18 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) | #504712 | 0.024 |
| Deuteranopia (no green cones) | #4F471B | 0.025 |
| Tritanopia (no blue cones) | #464740 | 0.062 |
| Achromatopsia (no color) | #474747 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424B18
#424B18
oklch(39.3% 0.074 118.4)
- #4B3C68
#4B3C68
oklch(39.2% 0.074 298.6)
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 #424B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.033
- Navy Green #35530A ΔE 0.036
- Dark Olive #373E02 ΔE 0.048
- Mud Brown #60460F ΔE 0.052
- Pine #2B5D34 ΔE 0.058
- Army Green #4B5D16 ΔE 0.060
- Pine Green #0A481E ΔE 0.062
- Forest #0B5509 ΔE 0.065
Use #424B18 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.