#2CD3B6
Closest named color: Medium Aquamarine (#66CDAA). oklch(77.9% 0.136 177.3), rgb(44, 211, 182).
Aa
Black text reads best on this color (11.10:1).
About this color
#2CD3B6 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.136 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.032 away. Black text reads best on it, at 11.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.10:1 |
| White text | 1.89:1 |
Values
| HEX | #2CD3B6 |
| RGB | rgb(44, 211, 182) |
| HSL | hsl(170, 65%, 50%) |
| OKLCH | oklch(77.9% 0.136 177.3) |
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 #2CD3B6 | 1.89:1 | Fails | Lc -39.7 | Non-text elements, placeholder text |
| Black text on #2CD3B6 | 11.10:1 | AAA | Lc 68.4 | Content text, not long reading |
| #2CD3B6 text on white | 1.89:1 | Fails | Lc 35.5 | Non-text elements, placeholder text |
| #2CD3B6 text on black | 11.10:1 | AAA | Lc -67.1 | 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
#E9FAF5
oklch(97.1% 0.019 176.5)
-
Step 100
100
#CFF3E9
oklch(93.6% 0.04 176.8)
-
Step 200
200
#A2EAD8
oklch(88.5% 0.076 177.1)
-
Step 300
300 (this color)
#2CD3B6
oklch(77.9% 0.136 177.3)
-
Step 400
400
#00BBA0
oklch(70.8% 0.131 177.4)
-
Step 500
500
#00A089
oklch(63.1% 0.116 177.6)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#2CD3B6 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) | #CAC5B5 | 0.143 |
| Deuteranopia (no green cones) | #B5B6B8 | 0.136 |
| Tritanopia (no blue cones) | #00D6CA | 0.027 |
| Achromatopsia (no color) | #BCBCBC | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2CD3B6
#2CD3B6
oklch(77.9% 0.136 177.3)
- #FC90B8
#FC90B8
oklch(77.9% 0.137 357.1)
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 #2CD3B6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.032
- Emerald #06D6A0 ΔE 0.036
- Medium Turquoise #48D1CC ΔE 0.038
- Dark Turquoise #00CED1 ΔE 0.046
- Seafoam Blue #78D1B6 ΔE 0.046
- Turquoise #40E0D0 ΔE 0.047
- Pale Teal #82CBB2 ΔE 0.056
- Aqua Marine #2EE8BB ΔE 0.059
Use #2CD3B6 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.