#175A2C
Closest named color: Spruce (#0A5F38). oklch(41.4% 0.1 149.8), rgb(23, 90, 44).
Aa
White text reads best on this color (8.28:1).
About this color
#175A2C is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.100 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.019 away. White text reads best on it, at 8.28:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #175A2C |
| RGB | rgb(23, 90, 44) |
| HSL | hsl(139, 59%, 22%) |
| OKLCH | oklch(41.4% 0.1 149.8) |
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 #175A2C | 8.28:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #175A2C | 2.53:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #175A2C text on white | 8.28:1 | AAA | Lc 88.3 | Fine for body text |
| #175A2C text on black | 2.53:1 | Fails | Lc -13.9 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CBE0CE
oklch(88.6% 0.033 149.5)
-
Step 300
300
#A7CCAD
oklch(81% 0.058 149.6)
-
Step 400
400
#75B181
oklch(70.6% 0.094 149.8)
-
Step 500
500
#4E9D61
oklch(63% 0.119 149.7)
-
Step 600
600
#2C8848
oklch(55.7% 0.13 149.9)
-
Step 700
700
#1D7339
oklch(49.1% 0.121 149.8)
-
Step 800
800 (this color)
#175A2C
oklch(41.4% 0.1 149.8)
-
Step 900
900
#1E4D2A
oklch(37.7% 0.078 149.6)
-
Step 950
950
#132D19
oklch(27% 0.049 149.6)
#175A2C 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) | #5B5228 | 0.082 |
| Deuteranopia (no green cones) | #524C2F | 0.080 |
| Tritanopia (no blue cones) | #00584F | 0.056 |
| Achromatopsia (no color) | #4E4E4E | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175A2C
#175A2C
oklch(41.4% 0.1 149.8)
- #693565
#693565
oklch(41.4% 0.1 330.1)
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 #175A2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.019
- Pine #2B5D34 ΔE 0.023
- Deep Green #02590F ΔE 0.033
- Navy Green #35530A ΔE 0.036
- Forest #0B5509 ΔE 0.037
- Dark Green #006400 ΔE 0.055
- Army Green #4B5D16 ΔE 0.057
- Dark Blue Green #005249 ΔE 0.059
Use #175A2C 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.