#17664F
Closest named color: Dark Green Blue (#1F6357). oklch(45.8% 0.083 168.7), rgb(23, 102, 79).
Aa
White text reads best on this color (6.88:1).
About this color
#17664F is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.083 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.019 away. White text reads best on it, at 6.88:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.04:1 |
| White text | 6.88:1 |
Values
| HEX | #17664F |
| RGB | rgb(23, 102, 79) |
| HSL | hsl(163, 63%, 25%) |
| OKLCH | oklch(45.8% 0.083 168.7) |
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 #17664F | 6.88:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #17664F | 3.04:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #17664F text on white | 6.88:1 | AA | Lc 83.5 | Fine for body text |
| #17664F text on black | 3.04:1 | AA large text | Lc -18.5 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C9DFD6
oklch(88.5% 0.026 169.2)
-
Step 300
300
#A3CBBB
oklch(80.9% 0.048 168.8)
-
Step 400
400
#6EB198
oklch(70.8% 0.078 168.4)
-
Step 500
500
#409D7F
oklch(63.2% 0.1 168.8)
-
Step 600
600
#108768
oklch(55.6% 0.108 168.8)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800 (this color)
#17664F
oklch(45.8% 0.083 168.7)
-
Step 900
900
#154C3B
oklch(37.6% 0.064 168.7)
-
Step 950
950
#0E2D23
oklch(27% 0.042 169.1)
#17664F 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) | #635F4E | 0.084 |
| Deuteranopia (no green cones) | #595751 | 0.082 |
| Tritanopia (no blue cones) | #00675F | 0.025 |
| Achromatopsia (no color) | #5A5A5A | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17664F
#17664F
oklch(45.8% 0.083 168.7)
- #79435F
#79435F
oklch(45.7% 0.083 348.5)
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 #17664F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.019
- Spruce #0A5F38 ΔE 0.038
- Pine #2B5D34 ΔE 0.040
- Dark Aqua #05696B ΔE 0.043
- Petrol #005F6A ΔE 0.056
- Dark Aquamarine #017371 ΔE 0.057
- Deep Turquoise #017374 ΔE 0.061
- Deep Teal #00555A ΔE 0.066
Use #17664F 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.