#64BFA8
Closest named color: Medium Aquamarine (#66CDAA). oklch(74.2% 0.094 175.1), rgb(100, 191, 168).
Aa
Black text reads best on this color (9.55:1).
About this color
#64BFA8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.094 and its hue 175°. 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 9.55:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.55:1 |
| White text | 2.19:1 |
Values
| HEX | #64BFA8 |
| RGB | rgb(100, 191, 168) |
| HSL | hsl(165, 42%, 57%) |
| OKLCH | oklch(74.2% 0.094 175.1) |
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 #64BFA8 | 2.19:1 | Fails | Lc -47.8 | Large or bold text, headings |
| Black text on #64BFA8 | 9.55:1 | AAA | Lc 60.9 | Content text, not long reading |
| #64BFA8 text on white | 2.19:1 | Fails | Lc 43.1 | Non-text elements, placeholder text |
| #64BFA8 text on black | 9.55:1 | AAA | Lc -59.1 | 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
#99CEBE
oklch(81% 0.06 174.2)
-
Step 400
400 (this color)
#64BFA8
oklch(74.2% 0.094 175.1)
-
Step 500
500
#00A085
oklch(63% 0.119 175)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#012E25
oklch(26.9% 0.05 175.4)
#64BFA8 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) | #B9B5A7 | 0.098 |
| Deuteranopia (no green cones) | #ABABAA | 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°).
- #64BFA8
#64BFA8
oklch(74.2% 0.094 175.1)
- #DB92AE
#DB92AE
oklch(74.1% 0.095 355)
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 #64BFA8, 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 0.050
- Seafoam Blue #78D1B6 ΔE 0.056
- Medium Turquoise #48D1CC ΔE 0.058
Use #64BFA8 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.