#175F18
Closest named color: Deep Green (#02590F). oklch(42.6% 0.125 143.2), rgb(23, 95, 24).
Aa
White text reads best on this color (7.81:1).
About this color
#175F18 is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.125 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.024 away. White text reads best on it, at 7.81:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Deep Green (#02590F) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #175F18 |
| RGB | rgb(23, 95, 24) |
| HSL | hsl(121, 61%, 23%) |
| OKLCH | oklch(42.6% 0.125 143.2) |
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 #175F18 | 7.81:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #175F18 | 2.68:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #175F18 text on white | 7.81:1 | AAA | Lc 86.7 | Fine for body text |
| #175F18 text on black | 2.68:1 | Fails | Lc -15.4 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CAE1C8
oklch(88.6% 0.042 143)
-
Step 300
300
#A5CDA2
oklch(80.8% 0.073 143.1)
-
Step 400
400
#73B370
oklch(70.6% 0.116 143.2)
-
Step 500
500
#4AA048
oklch(63.2% 0.15 143.1)
-
Step 600
600
#268A28
oklch(55.6% 0.162 143.3)
-
Step 700
700
#177519
oklch(49.2% 0.152 143.1)
-
Step 800
800 (this color)
#175F18
oklch(42.6% 0.125 143.2)
-
Step 900
900
#1B4E1B
oklch(37.7% 0.097 143.3)
-
Step 950
950
#122E11
oklch(27.1% 0.061 143)
#175F18 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) | #61550D | 0.090 |
| Deuteranopia (no green cones) | #59501F | 0.090 |
| Tritanopia (no blue cones) | #015C51 | 0.080 |
| Achromatopsia (no color) | #525252 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175F18
#175F18
oklch(42.6% 0.125 143.2)
- #6E3276
#6E3276
oklch(42.6% 0.126 322.8)
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 #175F18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Green #02590F ΔE 0.024
- Dark Green #006400 ΔE 0.025
- Forest #0B5509 ΔE 0.034
- Spruce #0A5F38 ΔE 0.037
- Pine #2B5D34 ΔE 0.040
- Navy Green #35530A ΔE 0.041
- Army Green #4B5D16 ΔE 0.053
- Camouflage Green #4B6113 ΔE 0.053
Use #175F18 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.