#64AA9F
Closest named color: Cadet Blue (#5F9EA0). oklch(68.9% 0.073 183), rgb(100, 170, 159).
Aa
Black text reads best on this color (7.79:1).
About this color
#64AA9F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.073 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.037 away. Black text reads best on it, at 7.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.79:1 |
| White text | 2.69:1 |
Values
| HEX | #64AA9F |
| RGB | rgb(100, 170, 159) |
| HSL | hsl(171, 29%, 53%) |
| OKLCH | oklch(68.9% 0.073 183) |
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 #64AA9F | 2.69:1 | Fails | Lc -57.4 | Large or bold text, headings |
| Black text on #64AA9F | 7.79:1 | AAA | Lc 51.8 | Large or bold text, headings |
| #64AA9F text on white | 2.69:1 | Fails | Lc 52.2 | Large or bold text, headings |
| #64AA9F text on black | 7.79:1 | AAA | Lc -49.7 | 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
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C8DFDA
oklch(88.5% 0.025 181.2)
-
Step 300
300
#A1CBC3
oklch(81% 0.046 182.2)
-
Step 400
400 (this color)
#64AA9F
oklch(68.9% 0.073 183)
-
Step 500
500
#399C8F
oklch(63.2% 0.093 183.1)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007065
oklch(49% 0.087 183.1)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#0F4C45
oklch(37.7% 0.061 183.6)
-
Step 950
950
#0C2D28
oklch(27.1% 0.039 181.6)
#64AA9F 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) | #A4A39F | 0.078 |
| Deuteranopia (no green cones) | #989AA0 | 0.073 |
| Tritanopia (no blue cones) | #49ADA7 | 0.022 |
| Achromatopsia (no color) | #9E9E9E | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64AA9F
#64AA9F
oklch(68.9% 0.073 183)
- #C28896
#C28896
oklch(68.8% 0.073 3.3)
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 #64AA9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.037
- Dull Teal #5F9E8F ΔE 0.037
- Light Sea Green #20B2AA ΔE 0.042
- Greeny Blue #42B395 ΔE 0.042
- Grey Teal #5E9B8A ΔE 0.047
- Tea #65AB7C ΔE 0.051
- Greeny Grey #7EA07A ΔE 0.053
- Greyblue #77A1B5 ΔE 0.053
Use #64AA9F 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.