#217656
Closest named color: Dark Aquamarine (#017371). oklch(50.7% 0.095 163.7), rgb(33, 118, 86).
Aa
White text reads best on this color (5.54:1).
About this color
#217656 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.095 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 0.046 away. White text reads best on it, at 5.54:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.79:1 |
| White text | 5.54:1 |
Values
| HEX | #217656 |
| RGB | rgb(33, 118, 86) |
| HSL | hsl(157, 56%, 30%) |
| OKLCH | oklch(50.7% 0.095 163.7) |
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 #217656 | 5.54:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #217656 | 3.79:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #217656 text on white | 5.54:1 | AA | Lc 77.4 | Fine for body text |
| #217656 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
#CBDFD4
oklch(88.6% 0.026 161.9)
-
Step 300
300
#A6CAB8
oklch(80.8% 0.046 163.6)
-
Step 400
400
#75AF94
oklch(70.6% 0.073 163.7)
-
Step 500
500
#4C9B7A
oklch(63% 0.094 164.2)
-
Step 600
600
#2A8663
oklch(55.7% 0.102 163.8)
-
Step 700
700 (this color)
#217656
oklch(50.7% 0.095 163.7)
-
Step 800
800
#1A5C43
oklch(42.6% 0.078 163.9)
-
Step 900
900
#1D4C38
oklch(37.8% 0.062 162.9)
-
Step 950
950
#122C21
oklch(26.8% 0.039 164.2)
#217656 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) | #746D54 | 0.093 |
| Deuteranopia (no green cones) | #696558 | 0.091 |
| Tritanopia (no blue cones) | #00766D | 0.036 |
| Achromatopsia (no color) | #686868 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #217656
#217656
oklch(50.7% 0.095 163.7)
- #8B4E73
#8B4E73
oklch(50.8% 0.095 343.8)
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 #217656, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.046
- Deep Turquoise #017374 ΔE 0.051
- Bluegreen #017A79 ΔE 0.051
- Jungle Green #048243 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.061
- Teal #008080 ΔE 0.062
- Deep Aqua #08787F ΔE 0.062
- Dark Aqua #05696B ΔE 0.063
Use #217656 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.