#17543C
Closest named color: Dark Blue Green (#005249). oklch(40% 0.074 163), rgb(23, 84, 60).
Aa
White text reads best on this color (8.86:1).
About this color
#17543C is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.074 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 0.025 away. White text reads best on it, at 8.86:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.36:1 |
| White text | 8.86:1 |
Values
| HEX | #17543C |
| RGB | rgb(23, 84, 60) |
| HSL | hsl(156, 57%, 21%) |
| OKLCH | oklch(40% 0.074 163) |
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 #17543C | 8.86:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #17543C | 2.36:1 | Fails | Lc 14.0 | Not readable |
| #17543C text on white | 8.86:1 | AAA | Lc 90.0 | Preferred for body text |
| #17543C text on black | 2.36:1 | Fails | Lc -12.3 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C8E0D3
oklch(88.5% 0.031 162.1)
-
Step 300
300
#A1CCB6
oklch(80.8% 0.055 162.6)
-
Step 400
400
#69B291
oklch(70.6% 0.089 163.5)
-
Step 500
500
#389F75
oklch(63.2% 0.115 162.7)
-
Step 600
600
#00895F
oklch(55.7% 0.12 163.1)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900 (this color)
#17543C
oklch(40% 0.074 163)
-
Step 950
950
#0C2E20
oklch(27.2% 0.047 162.9)
#17543C 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) | #524D3B | 0.072 |
| Deuteranopia (no green cones) | #4A483E | 0.069 |
| Tritanopia (no blue cones) | #00544D | 0.028 |
| Achromatopsia (no color) | #4A4A4A | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17543C
#17543C
oklch(40% 0.074 163)
- #633752
#633752
oklch(40.1% 0.073 343.4)
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 #17543C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.025
- Spruce #0A5F38 ΔE 0.039
- Pine #2B5D34 ΔE 0.040
- Dark Teal #014D4E ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.047
- Deep Teal #00555A ΔE 0.049
- Evergreen #05472A ΔE 0.049
- Pine Green #0A481E ΔE 0.054
Use #17543C 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.