#64C8A3
Closest named color: Medium Aquamarine (#66CDAA). oklch(76.2% 0.109 167), rgb(100, 200, 163).
Aa
Black text reads best on this color (10.33:1).
About this color
#64C8A3 is a medium-light, moderately saturated green. In OKLCH its lightness is 76%, its chroma 0.109 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.015 away. Black text reads best on it, at 10.33:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.33:1 |
| White text | 2.03:1 |
Values
| HEX | #64C8A3 |
| RGB | rgb(100, 200, 163) |
| HSL | hsl(158, 48%, 59%) |
| OKLCH | oklch(76.2% 0.109 167) |
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 #64C8A3 | 2.03:1 | Fails | Lc -43.8 | Non-text elements, placeholder text |
| Black text on #64C8A3 | 10.33:1 | AAA | Lc 64.6 | Content text, not long reading |
| #64C8A3 text on white | 2.03:1 | Fails | Lc 39.3 | Non-text elements, placeholder text |
| #64C8A3 text on black | 10.33:1 | AAA | Lc -63.0 | Content text, not long reading |
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 300.
-
Step 50
50
#EDF9F3
oklch(97.2% 0.015 164.7)
-
Step 100
100
#D7F1E5
oklch(93.6% 0.032 166.2)
-
Step 200
200
#B3E7D1
oklch(88.6% 0.061 167.2)
-
Step 300
300 (this color)
#64C8A3
oklch(76.2% 0.109 167)
-
Step 400
400
#00BC8D
oklch(70.6% 0.145 167)
-
Step 500
500
#00A279
oklch(63.2% 0.13 167)
-
Step 600
600
#008865
oklch(55.6% 0.114 167)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#004E39
oklch(37.6% 0.077 167.4)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#64C8A3 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) | #C4BCA1 | 0.110 |
| Deuteranopia (no green cones) | #B5B1A5 | 0.106 |
| Tritanopia (no blue cones) | #3FC9BD | 0.039 |
| Achromatopsia (no color) | #B6B6B6 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64C8A3
#64C8A3
oklch(76.2% 0.109 167)
- #E595BF
#E595BF
oklch(76.2% 0.109 347.2)
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 #64C8A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.015
- Pale Teal #82CBB2 ΔE 0.038
- Seafoam Blue #78D1B6 ΔE 0.039
- Dark Sea Green #8FBC8F ΔE 0.048
- Emerald #06D6A0 ΔE 0.052
- Greenblue #23C48B ΔE 0.054
- Medium Turquoise #48D1CC ΔE 0.054
- Soft Green #6FC276 ΔE 0.055
Use #64C8A3 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.