#64ACAA
Closest named color: Cadet Blue (#5F9EA0). oklch(69.7% 0.073 193.3), rgb(100, 172, 170).
Aa
Black text reads best on this color (8.02:1).
About this color
#64ACAA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.073 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.040 away. Black text reads best on it, at 8.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 8.02:1 |
| White text | 2.61:1 |
Values
| HEX | #64ACAA |
| RGB | rgb(100, 172, 170) |
| HSL | hsl(178, 30%, 53%) |
| OKLCH | oklch(69.7% 0.073 193.3) |
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 #64ACAA | 2.61:1 | Fails | Lc -56.1 | Large or bold text, headings |
| Black text on #64ACAA | 8.02:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #64ACAA text on white | 2.61:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #64ACAA text on black | 8.02:1 | AAA | Lc -51.0 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEC
oklch(93.6% 0.014 191.4)
-
Step 200
200
#C7DFDE
oklch(88.6% 0.026 193.6)
-
Step 300
300
#9FCAC9
oklch(80.8% 0.045 194.5)
-
Step 400
400 (this color)
#64ACAA
oklch(69.7% 0.073 193.3)
-
Step 500
500
#339B99
oklch(63.1% 0.093 193.2)
-
Step 600
600
#008483
oklch(55.5% 0.095 193.8)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#0A4B4B
oklch(37.6% 0.06 194.9)
-
Step 950
950
#0B2C2C
oklch(26.9% 0.038 195.2)
#64ACAA 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) | #A4A6AA | 0.076 |
| Deuteranopia (no green cones) | #979CAB | 0.071 |
| Tritanopia (no blue cones) | #43B0AB | 0.026 |
| Achromatopsia (no color) | #A0A0A0 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64ACAA
#64ACAA
oklch(69.7% 0.073 193.3)
- #C68B90
#C68B90
oklch(69.6% 0.072 13.5)
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 #64ACAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.040
- Light Sea Green #20B2AA ΔE 0.043
- Greyblue #77A1B5 ΔE 0.044
- Bluegrey #85A3B2 ΔE 0.047
- Dull Teal #5F9E8F ΔE 0.049
- Greeny Blue #42B395 ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.053
- Bluey Grey #89A0B0 ΔE 0.054
Use #64ACAA 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.