#63DBB2
Closest named color: Seafoam Blue (#78D1B6). oklch(81.1% 0.124 168), rgb(99, 219, 178).
Aa
Black text reads best on this color (12.30:1).
About this color
#63DBB2 is a light, moderately saturated green. In OKLCH its lightness is 81%, its chroma 0.124 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.033 away. Black text reads best on it, at 12.30:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.30:1 |
| White text | 1.70:1 |
Values
| HEX | #63DBB2 |
| RGB | rgb(99, 219, 178) |
| HSL | hsl(160, 62%, 62%) |
| OKLCH | oklch(81.1% 0.124 168) |
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 #63DBB2 | 1.70:1 | Fails | Lc -34.1 | Non-text elements, placeholder text |
| Black text on #63DBB2 | 12.30:1 | AAA | Lc 73.5 | Content text, not long reading |
| #63DBB2 text on white | 1.70:1 | Fails | Lc 30.3 | Non-text elements, placeholder text |
| #63DBB2 text on black | 12.30:1 | AAA | Lc -72.5 | 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
#ADE8D0
oklch(88.4% 0.069 167.8)
-
Step 300
300 (this color)
#63DBB2
oklch(81.1% 0.124 168)
-
Step 400
400
#00BC8F
oklch(70.6% 0.143 168)
-
Step 500
500
#00A17A
oklch(63% 0.128 168)
-
Step 600
600
#008867
oklch(55.7% 0.112 168.2)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#63DBB2 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) | #D6CEB0 | 0.125 |
| Deuteranopia (no green cones) | #C4C1B5 | 0.120 |
| Tritanopia (no blue cones) | #2ADCCF | 0.044 |
| Achromatopsia (no color) | #C6C6C6 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63DBB2
#63DBB2
oklch(81.1% 0.124 168)
- #FDA0CF
#FDA0CF
oklch(81.2% 0.124 348.5)
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 #63DBB2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.033
- Medium Aquamarine #66CDAA ΔE 0.038
- Aqua Marine #2EE8BB ΔE 0.038
- Turquoise #40E0D0 ΔE 0.040
- Emerald #06D6A0 ΔE 0.049
- Pale Teal #82CBB2 ΔE 0.049
- Light Teal #90E4C1 ΔE 0.052
- Tiffany Blue #94D2BD ΔE 0.055
Use #63DBB2 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.