#64B1A6
Closest named color: Light Sea Green (#20B2AA). oklch(70.8% 0.079 183.9), rgb(100, 177, 166).
Aa
Black text reads best on this color (8.38:1).
About this color
#64B1A6 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.079 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.040 away. Black text reads best on it, at 8.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.38:1 |
| White text | 2.50:1 |
Values
| HEX | #64B1A6 |
| RGB | rgb(100, 177, 166) |
| HSL | hsl(171, 33%, 54%) |
| OKLCH | oklch(70.8% 0.079 183.9) |
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 #64B1A6 | 2.50:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #64B1A6 | 8.38:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #64B1A6 text on white | 2.50:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #64B1A6 text on black | 8.38:1 | AAA | Lc -52.9 | 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
#E0EDEB
oklch(93.6% 0.014 185.9)
-
Step 200
200
#C6DFDB
oklch(88.4% 0.027 185.1)
-
Step 300
300
#9ECBC4
oklch(80.8% 0.048 184.6)
-
Step 400
400 (this color)
#64B1A6
oklch(70.8% 0.079 183.9)
-
Step 500
500
#2B9D90
oklch(63.1% 0.101 183.8)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#034D45
oklch(37.8% 0.066 182.9)
-
Step 950
950
#082D29
oklch(27% 0.041 184.8)
#64B1A6 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) | #AAA9A6 | 0.083 |
| Deuteranopia (no green cones) | #9DA0A7 | 0.078 |
| Tritanopia (no blue cones) | #44B4AD | 0.024 |
| Achromatopsia (no color) | #A4A4A4 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64B1A6
#64B1A6
oklch(70.8% 0.079 183.9)
- #CB8C9B
#CB8C9B
oklch(70.7% 0.079 3.7)
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 #64B1A6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.040
- Greeny Blue #42B395 ΔE 0.040
- Topaz #13BBAF ΔE 0.045
- Muted Teal #90B494 ΔE 0.053
- Cadet Blue #5F9EA0 ΔE 0.055
- Dull Teal #5F9E8F ΔE 0.057
- Tea #65AB7C ΔE 0.057
- Pewter #96A8A1 ΔE 0.057
Use #64B1A6 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.