#17573E
Closest named color: Dark Blue Green (#005249). oklch(40.9% 0.077 163), rgb(23, 87, 62).
Aa
White text reads best on this color (8.50:1).
About this color
#17573E is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.077 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.030 away. White text reads best on it, at 8.50:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.46:1 |
| White text | 8.50:1 |
Values
| HEX | #17573E |
| RGB | rgb(23, 87, 62) |
| HSL | hsl(157, 58%, 22%) |
| OKLCH | oklch(40.9% 0.077 163) |
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 #17573E | 8.50:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #17573E | 2.46:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #17573E text on white | 8.50:1 | AAA | Lc 89.0 | Fine for body text |
| #17573E text on black | 2.46:1 | Fails | Lc -13.2 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CBDFD4
oklch(88.6% 0.026 161.9)
-
Step 300
300
#A7CAB8
oklch(80.8% 0.045 162.9)
-
Step 400
400
#76AF94
oklch(70.7% 0.072 163.4)
-
Step 500
500
#4F9B79
oklch(63.1% 0.093 162.8)
-
Step 600
600
#2E8562
oklch(55.5% 0.1 163.1)
-
Step 700
700
#207151
oklch(49.1% 0.093 162.7)
-
Step 800
800 (this color)
#17573E
oklch(40.9% 0.077 163)
-
Step 900
900
#1F4B38
oklch(37.6% 0.059 163)
-
Step 950
950
#132C21
oklch(26.9% 0.038 163.5)
#17573E 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) | #55503D | 0.074 |
| Deuteranopia (no green cones) | #4D4A40 | 0.073 |
| Tritanopia (no blue cones) | #005750 | 0.029 |
| Achromatopsia (no color) | #4D4D4D | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17573E
#17573E
oklch(40.9% 0.077 163)
- #673855
#673855
oklch(40.9% 0.078 343.3)
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 #17573E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.030
- Spruce #0A5F38 ΔE 0.031
- Pine #2B5D34 ΔE 0.032
- Deep Teal #00555A ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.050
- Dark Teal #014D4E ΔE 0.051
- Navy Green #35530A ΔE 0.056
Use #17573E 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.