#64BB9F
Closest named color: Greeny Blue (#42B395). oklch(72.9% 0.095 170.5), rgb(100, 187, 159).
Aa
Black text reads best on this color (9.15:1).
About this color
#64BB9F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.095 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.039 away. Black text reads best on it, at 9.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 9.15:1 |
| White text | 2.29:1 |
Values
| HEX | #64BB9F |
| RGB | rgb(100, 187, 159) |
| HSL | hsl(161, 39%, 56%) |
| OKLCH | oklch(72.9% 0.095 170.5) |
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 #64BB9F | 2.29:1 | Fails | Lc -50.0 | Large or bold text, headings |
| Black text on #64BB9F | 9.15:1 | AAA | Lc 58.9 | Large or bold text, headings |
| #64BB9F text on white | 2.29:1 | Fails | Lc 45.1 | Large or bold text, headings |
| #64BB9F text on black | 9.15:1 | AAA | Lc -57.0 | 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
#DFEEE8
oklch(93.6% 0.018 170.1)
-
Step 200
200
#C5E1D6
oklch(88.6% 0.033 169.9)
-
Step 300
300
#9BCEBB
oklch(81% 0.06 169.9)
-
Step 400
400 (this color)
#64BB9F
oklch(72.9% 0.095 170.5)
-
Step 500
500
#12A17F
oklch(63.2% 0.122 170.4)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#042E23
oklch(27% 0.049 170.9)
#64BB9F 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) | #B7B19E | 0.098 |
| Deuteranopia (no green cones) | #A9A7A1 | 0.093 |
| Tritanopia (no blue cones) | #45BCB3 | 0.033 |
| Achromatopsia (no color) | #ABABAB | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64BB9F
#64BB9F
oklch(72.9% 0.095 170.5)
- #D58FAF
#D58FAF
oklch(72.9% 0.094 350.7)
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 #64BB9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.039
- Topaz #13BBAF ΔE 0.044
- Muted Teal #90B494 ΔE 0.046
- Dark Sea Green #8FBC8F ΔE 0.047
- Medium Aquamarine #66CDAA ΔE 0.050
- Light Sea Green #20B2AA ΔE 0.054
- Faded Green #7BB274 ΔE 0.055
- Sage Green #88B378 ΔE 0.055
Use #64BB9F 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.