#66DBA2
Closest named color: Aqua Marine (#2EE8BB). oklch(80.8% 0.135 159.9), rgb(102, 219, 162).
Aa
Black text reads best on this color (12.21:1).
About this color
#66DBA2 is a light, moderately saturated green. In OKLCH its lightness is 81%, its chroma 0.135 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.042 away. Black text reads best on it, at 12.21:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.21:1 |
| White text | 1.71:1 |
Values
| HEX | #66DBA2 |
| RGB | rgb(102, 219, 162) |
| HSL | hsl(151, 62%, 63%) |
| OKLCH | oklch(80.8% 0.135 159.9) |
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 #66DBA2 | 1.71:1 | Fails | Lc -34.5 | Non-text elements, placeholder text |
| Black text on #66DBA2 | 12.21:1 | AAA | Lc 73.1 | Content text, not long reading |
| #66DBA2 text on white | 1.71:1 | Fails | Lc 30.7 | Non-text elements, placeholder text |
| #66DBA2 text on black | 12.21:1 | AAA | Lc -72.1 | Content text, not long reading |
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 300.
-
Step 50
50
#ECF9F1
oklch(97% 0.017 159.1)
-
Step 100
100
#D5F2E1
oklch(93.5% 0.038 159.9)
-
Step 200
200
#AEE9C8
oklch(88.5% 0.075 159.9)
-
Step 300
300 (this color)
#66DBA2
oklch(80.8% 0.135 159.9)
-
Step 400
400
#00BE7D
oklch(70.7% 0.16 159.9)
-
Step 500
500
#00A36B
oklch(63.1% 0.143 160.1)
-
Step 600
600
#008959
oklch(55.6% 0.126 160)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#66DBA2 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) | #D9CD9F | 0.128 |
| Deuteranopia (no green cones) | #C8C1A6 | 0.124 |
| Tritanopia (no blue cones) | #3EDACB | 0.059 |
| Achromatopsia (no color) | #C5C5C5 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66DBA2
#66DBA2
oklch(80.8% 0.135 159.9)
- #FA9DDC
#FA9DDC
oklch(80.9% 0.135 339.9)
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 #66DBA2, closest first.
No curated palette has a color within ΔE 0.04 of #66DBA2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.042
- Emerald #06D6A0 ΔE 0.043
- Medium Aquamarine #66CDAA ΔE 0.045
- Aqua Green #12E193 ΔE 0.047
- Seafoam Blue #78D1B6 ΔE 0.048
- Hospital Green #9BE5AA ΔE 0.059
- Turquoise #40E0D0 ΔE 0.060
- Pale Teal #82CBB2 ΔE 0.061
Use #66DBA2 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.