#42551F
Closest named color: Navy Green (#35530A). oklch(42.1% 0.082 126), rgb(66, 85, 31).
Aa
White text reads best on this color (8.23:1).
About this color
#42551F is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.082 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.028 away. White text reads best on it, at 8.23:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.55:1 |
| White text | 8.23:1 |
Values
| HEX | #42551F |
| RGB | rgb(66, 85, 31) |
| HSL | hsl(81, 47%, 23%) |
| OKLCH | oklch(42.1% 0.082 126) |
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 #42551F | 8.23:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #42551F | 2.55:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #42551F text on white | 8.23:1 | AAA | Lc 88.4 | Fine for body text |
| #42551F text on black | 2.55:1 | Fails | Lc -13.8 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D5DDCA
oklch(88.6% 0.027 125.6)
-
Step 300
300
#B9C7A5
oklch(81% 0.049 125.7)
-
Step 400
400
#95AA75
oklch(70.8% 0.077 125.9)
-
Step 500
500
#7B9450
oklch(63.1% 0.098 125.6)
-
Step 600
600
#647E33
oklch(55.6% 0.106 125.7)
-
Step 700
700
#536A26
oklch(49% 0.098 125.6)
-
Step 800
800 (this color)
#42551F
oklch(42.1% 0.082 126)
-
Step 900
900
#394820
oklch(37.8% 0.065 126.3)
-
Step 950
950
#212A13
oklch(27% 0.041 126.5)
#42551F 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) | #5A4F19 | 0.040 |
| Deuteranopia (no green cones) | #574E23 | 0.040 |
| Tritanopia (no blue cones) | #455149 | 0.065 |
| Achromatopsia (no color) | #4F4F4F | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42551F
#42551F
oklch(42.1% 0.082 126)
- #584171
#584171
oklch(42.1% 0.082 305.2)
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 #42551F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.028
- Army Green #4B5D16 ΔE 0.032
- Green Brown #544E03 ΔE 0.032
- Pine #2B5D34 ΔE 0.034
- Camouflage Green #4B6113 ΔE 0.044
- Spruce #0A5F38 ΔE 0.051
- Olive Brown #645403 ΔE 0.053
- Camo Green #526525 ΔE 0.057
Use #42551F 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.