#255818
Closest named color: Navy Green (#35530A). oklch(41% 0.11 139.9), rgb(37, 88, 24).
Aa
White text reads best on this color (8.44:1).
About this color
#255818 is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.110 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.020 away. White text reads best on it, at 8.44:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #255818 |
| RGB | rgb(37, 88, 24) |
| HSL | hsl(108, 57%, 22%) |
| OKLCH | oklch(41% 0.11 139.9) |
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 #255818 | 8.44:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #255818 | 2.48:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #255818 text on white | 8.44:1 | AAA | Lc 88.8 | Fine for body text |
| #255818 text on black | 2.48:1 | Fails | Lc -13.4 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CDDFC9
oklch(88.4% 0.035 140)
-
Step 300
300
#ABCBA4
oklch(80.8% 0.064 140)
-
Step 400
400
#7EB073
oklch(70.6% 0.101 140)
-
Step 500
500
#5C9C4D
oklch(63.1% 0.13 139.8)
-
Step 600
600
#40862E
oklch(55.5% 0.142 139.7)
-
Step 700
700
#317221
oklch(49.2% 0.132 140)
-
Step 800
800 (this color)
#255818
oklch(41% 0.11 139.9)
-
Step 900
900
#274C1E
oklch(37.7% 0.085 139.8)
-
Step 950
950
#172D12
oklch(27.1% 0.055 139.9)
#255818 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) | #5B500F | 0.074 |
| Deuteranopia (no green cones) | #544B1E | 0.075 |
| Tritanopia (no blue cones) | #20554B | 0.074 |
| Achromatopsia (no color) | #4D4D4D | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255818
#255818
oklch(41% 0.11 139.9)
- #64346F
#64346F
oklch(41.1% 0.109 319.9)
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 #255818, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.020
- Deep Green #02590F ΔE 0.023
- Forest #0B5509 ΔE 0.025
- Pine #2B5D34 ΔE 0.035
- Spruce #0A5F38 ΔE 0.037
- Dark Green #006400 ΔE 0.047
- Army Green #4B5D16 ΔE 0.050
- Bottle Green #044A05 ΔE 0.055
Use #255818 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.