#017258
Closest named color: Dark Aquamarine (#017371). oklch(49.1% 0.097 169.8), rgb(1, 114, 88).
Aa
White text reads best on this color (5.91:1).
About this color
#017258 is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.097 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.039 away. White text reads best on it, at 5.91:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.54:1 |
| White text | 5.91:1 |
Values
| HEX | #017258 |
| RGB | rgb(1, 114, 88) |
| HSL | hsl(166, 98%, 23%) |
| OKLCH | oklch(49.1% 0.097 169.8) |
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 #017258 | 5.91:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #017258 | 3.54:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #017258 text on white | 5.91:1 | AA | Lc 79.0 | Fine for body text |
| #017258 text on black | 3.54:1 | AA large text | Lc -22.8 | 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 700.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#C9DFD6
oklch(88.5% 0.026 169.2)
-
Step 300
300
#A3CBBC
oklch(80.9% 0.047 170.3)
-
Step 400
400
#6FB099
oklch(70.7% 0.075 169.7)
-
Step 500
500
#439C80
oklch(63.1% 0.096 169.7)
-
Step 600
600
#17876A
oklch(55.7% 0.105 169.9)
-
Step 700
700 (this color)
#017258
oklch(49.1% 0.097 169.8)
-
Step 800
800
#0C5D48
oklch(42.7% 0.081 169.7)
-
Step 900
900
#164C3C
oklch(37.6% 0.063 169.7)
-
Step 950
950
#0F2D23
oklch(27.1% 0.041 168.7)
#017258 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) | #6E6957 | 0.098 |
| Deuteranopia (no green cones) | #62605A | 0.096 |
| Tritanopia (no blue cones) | #00736B | 0.030 |
| Achromatopsia (no color) | #646464 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #017258
#017258
oklch(49.1% 0.097 169.8)
- #894869
#894869
oklch(49.1% 0.097 349.5)
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 #017258, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.039
- Deep Turquoise #017374 ΔE 0.044
- Dark Green Blue #1F6357 ΔE 0.048
- Dark Aqua #05696B ΔE 0.049
- Bluegreen #017A79 ΔE 0.052
- Deep Aqua #08787F ΔE 0.061
- Teal #008080 ΔE 0.066
- Spruce #0A5F38 ΔE 0.066
Use #017258 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.