#64C2AC
Closest named color: Medium Aquamarine (#66CDAA). oklch(75% 0.096 176.4), rgb(100, 194, 172).
Aa
Black text reads best on this color (9.85:1).
About this color
#64C2AC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.096 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.033 away. Black text reads best on it, at 9.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.85:1 |
| White text | 2.13:1 |
Values
| HEX | #64C2AC |
| RGB | rgb(100, 194, 172) |
| HSL | hsl(166, 44%, 58%) |
| OKLCH | oklch(75% 0.096 176.4) |
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 #64C2AC | 2.13:1 | Fails | Lc -46.3 | Large or bold text, headings |
| Black text on #64C2AC | 9.85:1 | AAA | Lc 62.3 | Content text, not long reading |
| #64C2AC text on white | 2.13:1 | Fails | Lc 41.6 | Non-text elements, placeholder text |
| #64C2AC text on black | 9.85:1 | AAA | Lc -60.6 | 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 400.
-
Step 50
50
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DFEEE9
oklch(93.7% 0.017 174)
-
Step 200
200
#C3E1D8
oklch(88.5% 0.034 175.5)
-
Step 300
300
#98CEBF
oklch(81% 0.06 175.7)
-
Step 400
400 (this color)
#64C2AC
oklch(75% 0.096 176.4)
-
Step 500
500
#00A087
oklch(63.1% 0.118 176.3)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#64C2AC 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) | #BCB8AB | 0.101 |
| Deuteranopia (no green cones) | #ADADAE | 0.096 |
| Tritanopia (no blue cones) | #3CC4BB | 0.029 |
| Achromatopsia (no color) | #B2B2B2 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64C2AC
#64C2AC
oklch(75% 0.096 176.4)
- #DF94AF
#DF94AF
oklch(74.9% 0.096 356.5)
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 #64C2AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.033
- Pale Teal #82CBB2 ΔE 0.040
- Seafoam Blue #78D1B6 ΔE 0.048
- Topaz #13BBAF ΔE 0.049
- Dark Sea Green #8FBC8F ΔE 0.050
- Medium Turquoise #48D1CC ΔE 0.050
- Muted Teal #90B494 ΔE 0.054
- Dark Turquoise #00CED1 ΔE 0.057
Use #64C2AC 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.