#424C18
Closest named color: Green Brown (#544E03). oklch(39.6% 0.075 119.2), rgb(66, 76, 24).
Aa
White text reads best on this color (9.21:1).
About this color
#424C18 is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.075 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.032 away. White text reads best on it, at 9.21:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.27:1 |
| White text | 9.21:1 |
Values
| HEX | #424C18 |
| RGB | rgb(66, 76, 24) |
| HSL | hsl(72, 52%, 20%) |
| OKLCH | oklch(39.6% 0.075 119.2) |
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 #424C18 | 9.21:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #424C18 | 2.27:1 | Fails | Lc 12.8 | Not readable |
| #424C18 text on white | 9.21:1 | AAA | Lc 91.2 | Preferred for body text |
| #424C18 text on black | 2.27:1 | Fails | Lc -11.2 | 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
#E8ECE0
oklch(93.7% 0.017 121.8)
-
Step 200
200
#D6DCC6
oklch(88.4% 0.03 119.4)
-
Step 300
300
#BCC69E
oklch(80.8% 0.055 119.1)
-
Step 400
400
#9AA967
oklch(70.7% 0.091 119.2)
-
Step 500
500
#82933B
oklch(63.1% 0.115 119)
-
Step 600
600
#6C7D10
oklch(55.7% 0.125 119)
-
Step 700
700
#5A6900
oklch(49.1% 0.115 119)
-
Step 800
800
#495607
oklch(42.7% 0.097 119.5)
-
Step 900
900 (this color)
#424C18
oklch(39.6% 0.075 119.2)
-
Step 950
950
#242A0D
oklch(27.1% 0.048 119.4)
#424C18 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) | #514812 | 0.026 |
| Deuteranopia (no green cones) | #50481C | 0.027 |
| Tritanopia (no blue cones) | #464841 | 0.064 |
| Achromatopsia (no color) | #484848 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424C18
#424C18
oklch(39.6% 0.075 119.2)
- #4C3D69
#4C3D69
oklch(39.6% 0.074 298.7)
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 #424C18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.032
- Navy Green #35530A ΔE 0.033
- Dark Olive #373E02 ΔE 0.050
- Mud Brown #60460F ΔE 0.052
- Pine #2B5D34 ΔE 0.055
- Army Green #4B5D16 ΔE 0.057
- Pine Green #0A481E ΔE 0.063
- Forest #0B5509 ΔE 0.064
Use #424C18 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.