#175D3A
Closest named color: Spruce (#0A5F38). oklch(42.6% 0.09 156.8), rgb(23, 93, 58).
Aa
White text reads best on this color (7.88:1).
About this color
#175D3A is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.090 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.009 away. White text reads best on it, at 7.88:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.66:1 |
| White text | 7.88:1 |
Values
| HEX | #175D3A |
| RGB | rgb(23, 93, 58) |
| HSL | hsl(150, 60%, 23%) |
| OKLCH | oklch(42.6% 0.09 156.8) |
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 #175D3A | 7.88:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #175D3A | 2.66:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #175D3A text on white | 7.88:1 | AAA | Lc 87.0 | Fine for body text |
| #175D3A text on black | 2.66:1 | Fails | Lc -15.1 | Dividers and decoration only |
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
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CADFD1
oklch(88.4% 0.029 156.6)
-
Step 300
300
#A6CBB3
oklch(80.8% 0.052 156.6)
-
Step 400
400
#73B18B
oklch(70.7% 0.085 156.5)
-
Step 500
500
#4A9D6F
oklch(63.1% 0.108 157)
-
Step 600
600
#268757
oklch(55.5% 0.116 157.1)
-
Step 700
700
#177347
oklch(49.3% 0.109 156.8)
-
Step 800
800 (this color)
#175D3A
oklch(42.6% 0.09 156.8)
-
Step 900
900
#1C4D32
oklch(37.8% 0.071 156.4)
-
Step 950
950
#122D1D
oklch(27% 0.045 155.8)
#175D3A 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) | #5C5538 | 0.081 |
| Deuteranopia (no green cones) | #544F3C | 0.080 |
| Tritanopia (no blue cones) | #005C54 | 0.042 |
| Achromatopsia (no color) | #515151 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175D3A
#175D3A
oklch(42.6% 0.09 156.8)
- #6D3A61
#6D3A61
oklch(42.6% 0.09 336.5)
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 #175D3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.009
- Pine #2B5D34 ΔE 0.015
- Dark Green Blue #1F6357 ΔE 0.046
- Navy Green #35530A ΔE 0.051
- Deep Green #02590F ΔE 0.051
- Dark Blue Green #005249 ΔE 0.052
- Forest #0B5509 ΔE 0.056
- Army Green #4B5D16 ΔE 0.059
Use #175D3A 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.