#175331
Closest named color: Spruce (#0A5F38). oklch(39.4% 0.084 154.5), rgb(23, 83, 49).
Aa
White text reads best on this color (9.05:1).
About this color
#175331 is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.084 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.038 away. White text reads best on it, at 9.05:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #175331 |
| RGB | rgb(23, 83, 49) |
| HSL | hsl(146, 57%, 21%) |
| OKLCH | oklch(39.4% 0.084 154.5) |
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 #175331 | 9.05:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #175331 | 2.31:1 | Fails | Lc 13.4 | Not readable |
| #175331 text on white | 9.05:1 | AAA | Lc 90.5 | Preferred for body text |
| #175331 text on black | 2.31:1 | Fails | Lc -11.8 | 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 900.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E0CF
oklch(88.4% 0.034 154.8)
-
Step 300
300
#A1CDAF
oklch(80.9% 0.063 155)
-
Step 400
400
#6BB384
oklch(70.6% 0.101 154.4)
-
Step 500
500
#3BA065
oklch(63.2% 0.129 154.3)
-
Step 600
600
#008A4C
oklch(55.6% 0.139 154.3)
-
Step 700
700
#00743F
oklch(49.1% 0.123 154.3)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900 (this color)
#175331
oklch(39.4% 0.084 154.5)
-
Step 950
950
#0D2E1A
oklch(27% 0.054 153.9)
#175331 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) | #534C2F | 0.075 |
| Deuteranopia (no green cones) | #4B4633 | 0.073 |
| Tritanopia (no blue cones) | #00524A | 0.041 |
| Achromatopsia (no color) | #494949 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175331
#175331
oklch(39.4% 0.084 154.5)
- #613358
#613358
oklch(39.4% 0.084 334.7)
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 #175331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.038
- Pine #2B5D34 ΔE 0.039
- Dark Blue Green #005249 ΔE 0.039
- Pine Green #0A481E ΔE 0.043
- Evergreen #05472A ΔE 0.043
- Navy Green #35530A ΔE 0.044
- Forest #0B5509 ΔE 0.047
- Deep Green #02590F ΔE 0.050
Use #175331 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.