#64B19B
Closest named color: Greeny Blue (#42B395). oklch(70.4% 0.084 173.3), rgb(100, 177, 155).
Aa
Black text reads best on this color (8.30:1).
About this color
#64B19B is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.084 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.029 away. Black text reads best on it, at 8.30:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.30:1 |
| White text | 2.52:1 |
Values
| HEX | #64B19B |
| RGB | rgb(100, 177, 155) |
| HSL | hsl(163, 33%, 54%) |
| OKLCH | oklch(70.4% 0.084 173.3) |
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 #64B19B | 2.52:1 | Fails | Lc -54.5 | Large or bold text, headings |
| Black text on #64B19B | 8.30:1 | AAA | Lc 54.6 | Large or bold text, headings |
| #64B19B text on white | 2.52:1 | Fails | Lc 49.4 | Large or bold text, headings |
| #64B19B text on black | 8.30:1 | AAA | Lc -52.5 | 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
#E0EDE9
oklch(93.5% 0.015 175.7)
-
Step 200
200
#C7E0D7
oklch(88.6% 0.029 172)
-
Step 300
300
#9ECCBD
oklch(80.8% 0.053 173)
-
Step 400
400 (this color)
#64B19B
oklch(70.4% 0.084 173.3)
-
Step 500
500
#2E9E84
oklch(63.1% 0.106 173.7)
-
Step 600
600
#00876E
oklch(55.6% 0.106 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#054D3E
oklch(37.6% 0.07 173.5)
-
Step 950
950
#092D24
oklch(26.9% 0.044 173)
#64B19B 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) | #ACA89A | 0.087 |
| Deuteranopia (no green cones) | #A09F9D | 0.084 |
| Tritanopia (no blue cones) | #4AB2AA | 0.027 |
| Achromatopsia (no color) | #A3A3A3 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64B19B
#64B19B
oklch(70.4% 0.084 173.3)
- #C98AA4
#C98AA4
oklch(70.4% 0.084 353)
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 #64B19B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.029
- Tea #65AB7C ΔE 0.042
- Light Sea Green #20B2AA ΔE 0.042
- Topaz #13BBAF ΔE 0.046
- Muted Teal #90B494 ΔE 0.050
- Dusty Green #76A973 ΔE 0.052
- Dull Teal #5F9E8F ΔE 0.054
- Grey Green #86A17D ΔE 0.056
Use #64B19B 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.