#64B8A7
Closest named color: Topaz (#13BBAF). oklch(72.5% 0.086 179.1), rgb(100, 184, 167).
Aa
Black text reads best on this color (8.95:1).
About this color
#64B8A7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.086 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.040 away. Black text reads best on it, at 8.95:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.95:1 |
| White text | 2.34:1 |
Values
| HEX | #64B8A7 |
| RGB | rgb(100, 184, 167) |
| HSL | hsl(168, 37%, 56%) |
| OKLCH | oklch(72.5% 0.086 179.1) |
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 #64B8A7 | 2.34:1 | Fails | Lc -51.0 | Large or bold text, headings |
| Black text on #64B8A7 | 8.95:1 | AAA | Lc 57.9 | Large or bold text, headings |
| #64B8A7 text on white | 2.34:1 | Fails | Lc 46.1 | Large or bold text, headings |
| #64B8A7 text on black | 8.95:1 | AAA | Lc -56.0 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#DFEDEA
oklch(93.5% 0.015 181.8)
-
Step 200
200
#C5E0D9
oklch(88.5% 0.03 178.3)
-
Step 300
300
#9BCDC1
oklch(81% 0.055 178.4)
-
Step 400
400 (this color)
#64B8A7
oklch(72.5% 0.086 179.1)
-
Step 500
500
#1A9F8B
oklch(63.2% 0.11 179.1)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#052E27
oklch(27.2% 0.046 178.6)
#64B8A7 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) | #B2AFA6 | 0.092 |
| Deuteranopia (no green cones) | #A4A5A8 | 0.087 |
| Tritanopia (no blue cones) | #42BAB3 | 0.026 |
| Achromatopsia (no color) | #A9A9A9 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64B8A7
#64B8A7
oklch(72.5% 0.086 179.1)
- #D38FA5
#D38FA5
oklch(72.4% 0.087 358.5)
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 #64B8A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.040
- Greeny Blue #42B395 ΔE 0.041
- Light Sea Green #20B2AA ΔE 0.047
- Muted Teal #90B494 ΔE 0.048
- Dark Sea Green #8FBC8F ΔE 0.056
- Medium Aquamarine #66CDAA ΔE 0.060
- Tea #65AB7C ΔE 0.061
- Pale Teal #82CBB2 ΔE 0.064
Use #64B8A7 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.