#63DBB0
Closest named color: Seafoam Blue (#78D1B6). oklch(81.1% 0.126 167), rgb(99, 219, 176).
Aa
Black text reads best on this color (12.29:1).
About this color
#63DBB0 is a light, moderately saturated green. In OKLCH its lightness is 81%, its chroma 0.126 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.035 away. Black text reads best on it, at 12.29:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.29:1 |
| White text | 1.70:1 |
Values
| HEX | #63DBB0 |
| RGB | rgb(99, 219, 176) |
| HSL | hsl(159, 62%, 62%) |
| OKLCH | oklch(81.1% 0.126 167) |
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 #63DBB0 | 1.70:1 | Fails | Lc -34.2 | Non-text elements, placeholder text |
| Black text on #63DBB0 | 12.29:1 | AAA | Lc 73.4 | Content text, not long reading |
| #63DBB0 text on white | 1.70:1 | Fails | Lc 30.4 | Non-text elements, placeholder text |
| #63DBB0 text on black | 12.29:1 | AAA | Lc -72.4 | 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
#EBF9F3
oklch(97% 0.017 168.5)
-
Step 100
100
#D4F2E5
oklch(93.6% 0.036 167.6)
-
Step 200
200
#ADE8CF
oklch(88.4% 0.069 166.8)
-
Step 300
300 (this color)
#63DBB0
oklch(81.1% 0.126 167)
-
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)
#63DBB0 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) | #D6CEAE | 0.125 |
| Deuteranopia (no green cones) | #C5C1B3 | 0.121 |
| Tritanopia (no blue cones) | #2CDCCF | 0.046 |
| Achromatopsia (no color) | #C6C6C6 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63DBB0
#63DBB0
oklch(81.1% 0.126 167)
- #FC9FD1
#FC9FD1
oklch(81% 0.126 346.8)
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 #63DBB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.035
- Medium Aquamarine #66CDAA ΔE 0.038
- Aqua Marine #2EE8BB ΔE 0.038
- Turquoise #40E0D0 ΔE 0.042
- Emerald #06D6A0 ΔE 0.048
- Pale Teal #82CBB2 ΔE 0.050
- Light Teal #90E4C1 ΔE 0.054
- Tiffany Blue #94D2BD ΔE 0.056
Use #63DBB0 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.