#64BFA9
Closest named color: Medium Aquamarine (#66CDAA). oklch(74.2% 0.094 175.9), rgb(100, 191, 169).
Aa
Black text reads best on this color (9.56:1).
About this color
#64BFA9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.094 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.040 away. Black text reads best on it, at 9.56:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.56:1 |
| White text | 2.19:1 |
Values
| HEX | #64BFA9 |
| RGB | rgb(100, 191, 169) |
| HSL | hsl(165, 42%, 57%) |
| OKLCH | oklch(74.2% 0.094 175.9) |
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 #64BFA9 | 2.19:1 | Fails | Lc -47.8 | Large or bold text, headings |
| Black text on #64BFA9 | 9.56:1 | AAA | Lc 60.9 | Content text, not long reading |
| #64BFA9 text on white | 2.19:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #64BFA9 text on black | 9.56:1 | AAA | Lc -59.2 | Large or bold text, headings |
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
#C4E1D8
oklch(88.6% 0.033 174.9)
-
Step 300
300
#99CEBF
oklch(81% 0.059 175.4)
-
Step 400
400 (this color)
#64BFA9
oklch(74.2% 0.094 175.9)
-
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
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#012E25
oklch(26.9% 0.05 175.4)
#64BFA9 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) | #B9B5A8 | 0.098 |
| Deuteranopia (no green cones) | #ABABAB | 0.094 |
| Tritanopia (no blue cones) | #3FC1B8 | 0.029 |
| Achromatopsia (no color) | #AFAFAF | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64BFA9
#64BFA9
oklch(74.2% 0.094 175.9)
- #DB93AD
#DB93AD
oklch(74.2% 0.092 356.3)
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 #64BFA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.040
- Topaz #13BBAF ΔE 0.045
- Pale Teal #82CBB2 ΔE 0.047
- Dark Sea Green #8FBC8F ΔE 0.049
- Muted Teal #90B494 ΔE 0.050
- Greeny Blue #42B395 ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.056
- Medium Turquoise #48D1CC ΔE 0.058
Use #64BFA9 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.