#217657
Closest named color: Dark Aquamarine (#017371). oklch(50.7% 0.094 164.4), rgb(33, 118, 87).
Aa
White text reads best on this color (5.53:1).
About this color
#217657 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.094 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.045 away. White text reads best on it, at 5.53:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #217657 |
| RGB | rgb(33, 118, 87) |
| HSL | hsl(158, 56%, 30%) |
| OKLCH | oklch(50.7% 0.094 164.4) |
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 #217657 | 5.53:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #217657 | 3.79:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #217657 text on white | 5.53:1 | AA | Lc 77.3 | Fine for body text |
| #217657 text on black | 3.79:1 | AA large text | Lc -24.4 | 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 700.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CBDFD5
oklch(88.6% 0.025 164.4)
-
Step 300
300
#A6CAB9
oklch(80.8% 0.045 165)
-
Step 400
400
#75AF95
oklch(70.6% 0.072 164.7)
-
Step 500
500
#4C9B7B
oklch(63% 0.093 164.9)
-
Step 600
600
#2A8664
oklch(55.7% 0.101 164.5)
-
Step 700
700 (this color)
#217657
oklch(50.7% 0.094 164.4)
-
Step 800
800
#1A5C44
oklch(42.7% 0.077 164.9)
-
Step 900
900
#1D4C39
oklch(37.8% 0.061 164.1)
-
Step 950
950
#122C21
oklch(26.8% 0.039 164.2)
#217657 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) | #746D55 | 0.093 |
| Deuteranopia (no green cones) | #686559 | 0.089 |
| Tritanopia (no blue cones) | #00766D | 0.034 |
| Achromatopsia (no color) | #686868 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #217657
#217657
oklch(50.7% 0.094 164.4)
- #8B4E72
#8B4E72
oklch(50.8% 0.094 344.7)
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 #217657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.045
- Deep Turquoise #017374 ΔE 0.050
- Bluegreen #017A79 ΔE 0.050
- Jungle Green #048243 ΔE 0.055
- Teal #008080 ΔE 0.061
- Deep Aqua #08787F ΔE 0.061
- Dark Aqua #05696B ΔE 0.062
- Dark Olive Green #556B2F ΔE 0.062
Use #217657 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.