#345540
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.7% 0.052 155.5), rgb(52, 85, 64).
Aa
White text reads best on this color (8.33:1).
About this color
#345540 is a dark, muted green. In OKLCH its lightness is 42%, its chroma 0.052 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.037 away. White text reads best on it, at 8.33:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.51:1 |
| White text | 8.33:1 |
Values
| HEX | #345540 |
| RGB | rgb(52, 85, 64) |
| HSL | hsl(142, 24%, 27%) |
| OKLCH | oklch(41.7% 0.052 155.5) |
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 #345540 | 8.33:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #345540 | 2.51:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #345540 text on white | 8.33:1 | AAA | Lc 88.7 | Fine for body text |
| #345540 text on black | 2.51:1 | Fails | Lc -13.5 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D1DDD4
oklch(88.6% 0.018 153.5)
-
Step 300
300
#B2C7B8
oklch(80.9% 0.031 154.6)
-
Step 400
400
#89AA94
oklch(70.7% 0.048 155.8)
-
Step 500
500
#6B9579
oklch(63.1% 0.062 155)
-
Step 600
600
#527F62
oklch(55.5% 0.067 155.3)
-
Step 700
700
#426C51
oklch(49.2% 0.064 155.1)
-
Step 800
800 (this color)
#345540
oklch(41.7% 0.052 155.5)
-
Step 900
900
#304838
oklch(37.7% 0.04 154.8)
-
Step 950
950
#1C2A21
oklch(26.9% 0.025 156.1)
#345540 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) | #55503F | 0.048 |
| Deuteranopia (no green cones) | #4F4C41 | 0.047 |
| Tritanopia (no blue cones) | #2E544F | 0.026 |
| Achromatopsia (no color) | #4E4E4E | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345540
#345540
oklch(41.7% 0.052 155.5)
- #5F4158
#5F4158
oklch(41.7% 0.054 335.2)
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 #345540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.037
- Pine #2B5D34 ΔE 0.038
- Dark Blue Green #005249 ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.047
- Spruce #0A5F38 ΔE 0.048
- Deep Teal #00555A ΔE 0.051
- Dark Teal #014D4E ΔE 0.056
- Navy Green #35530A ΔE 0.061
Use #345540 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.