#375137
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.6% 0.053 144.5), rgb(55, 81, 55).
Aa
White text reads best on this color (8.76:1).
About this color
#375137 is a dark, muted green. In OKLCH its lightness is 41%, its chroma 0.053 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.042 away. White text reads best on it, at 8.76:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.39:1 |
| White text | 8.76:1 |
Values
| HEX | #375137 |
| RGB | rgb(55, 81, 55) |
| HSL | hsl(120, 19%, 27%) |
| OKLCH | oklch(40.6% 0.053 144.5) |
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 #375137 | 8.76:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #375137 | 2.39:1 | Fails | Lc 14.0 | Not readable |
| #375137 text on white | 8.76:1 | AAA | Lc 90.0 | Fine for body text |
| #375137 text on black | 2.39:1 | Fails | Lc -12.3 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE6
oklch(93.5% 0.009 145.5)
-
Step 200
200
#D2DCD2
oklch(88.4% 0.017 145.4)
-
Step 300
300
#B5C6B4
oklch(80.8% 0.031 143.7)
-
Step 400
400
#8EA98E
oklch(70.7% 0.049 145)
-
Step 500
500
#729471
oklch(63.1% 0.064 144.1)
-
Step 600
600
#5A7E5A
oklch(55.6% 0.068 144.6)
-
Step 700
700
#4A6A4A
oklch(49% 0.063 144.5)
-
Step 800
800 (this color)
#375137
oklch(40.6% 0.053 144.5)
-
Step 900
900
#344834
oklch(37.8% 0.042 144.7)
-
Step 950
950
#1F2A1E
oklch(27.1% 0.027 142.7)
#375137 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) | #524C35 | 0.042 |
| Deuteranopia (no green cones) | #4E4A38 | 0.040 |
| Tritanopia (no blue cones) | #34504A | 0.032 |
| Achromatopsia (no color) | #4B4B4B | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #375137
#375137
oklch(40.6% 0.053 144.5)
- #583F59
#583F59
oklch(40.5% 0.053 325.2)
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 #375137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.042
- Pine #2B5D34 ΔE 0.042
- Dark Blue Green #005249 ΔE 0.045
- Navy Green #35530A ΔE 0.053
- Spruce #0A5F38 ΔE 0.053
- Dark Teal #014D4E ΔE 0.058
- Green Brown #544E03 ΔE 0.058
- Deep Teal #00555A ΔE 0.061
Use #375137 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.