#175A2B
Closest named color: Spruce (#0A5F38). oklch(41.4% 0.101 149.3), rgb(23, 90, 43).
Aa
White text reads best on this color (8.28:1).
About this color
#175A2B is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.101 and its hue 149°. 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 (0.101) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #175A2B |
| RGB | rgb(23, 90, 43) |
| HSL | hsl(138, 59%, 22%) |
| OKLCH | oklch(41.4% 0.101 149.3) |
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 #175A2B | 8.28:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #175A2B | 2.53:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #175A2B text on white | 8.28:1 | AAA | Lc 88.3 | Fine for body text |
| #175A2B 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
#A7CCAC
oklch(81% 0.06 148.8)
-
Step 400
400
#75B180
oklch(70.6% 0.095 149.3)
-
Step 500
500
#4E9D60
oklch(63% 0.12 149.3)
-
Step 600
600
#2C8846
oklch(55.6% 0.132 149.2)
-
Step 700
700
#1D7338
oklch(49.1% 0.122 149.5)
-
Step 800
800 (this color)
#175A2B
oklch(41.4% 0.101 149.3)
-
Step 900
900
#1E4D2A
oklch(37.7% 0.078 149.6)
-
Step 950
950
#132D19
oklch(27% 0.049 149.6)
#175A2B 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) | #5B5227 | 0.083 |
| Deuteranopia (no green cones) | #534C2E | 0.082 |
| Tritanopia (no blue cones) | #00584F | 0.057 |
| Achromatopsia (no color) | #4E4E4E | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175A2B
#175A2B
oklch(41.4% 0.101 149.3)
- #693566
#693566
oklch(41.5% 0.101 329.4)
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 #175A2B, 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 0.024
- Deep Green #02590F ΔE 0.032
- Navy Green #35530A ΔE 0.035
- Forest #0B5509 ΔE 0.035
- Dark Green #006400 ΔE 0.054
- Army Green #4B5D16 ΔE 0.057
- Dark Blue Green #005249 ΔE 0.060
Use #175A2B 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.