#63DEAB
Closest named color: Aqua Marine (#2EE8BB). oklch(81.7% 0.133 163.5), rgb(99, 222, 171).
Aa
Black text reads best on this color (12.56:1).
About this color
#63DEAB is a light, moderately saturated green. In OKLCH its lightness is 82%, its chroma 0.133 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.033 away. Black text reads best on it, at 12.56:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.56:1 |
| White text | 1.67:1 |
Values
| HEX | #63DEAB |
| RGB | rgb(99, 222, 171) |
| HSL | hsl(155, 65%, 63%) |
| OKLCH | oklch(81.7% 0.133 163.5) |
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 #63DEAB | 1.67:1 | Fails | Lc -32.9 | Non-text elements, placeholder text |
| Black text on #63DEAB | 12.56:1 | AAA | Lc 74.6 | Content text, not long reading |
| #63DEAB text on white | 1.67:1 | Fails | Lc 29.2 | Dividers and decoration only |
| #63DEAB text on black | 12.56:1 | AAA | Lc -73.7 | 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
#EBF9F2
oklch(97% 0.017 164.7)
-
Step 100
100
#D4F2E3
oklch(93.5% 0.037 164.1)
-
Step 200
200
#ACE9CC
oklch(88.5% 0.074 163.9)
-
Step 300
300 (this color)
#63DEAB
oklch(81.7% 0.133 163.5)
-
Step 400
400
#00BD86
oklch(70.7% 0.151 163.7)
-
Step 500
500
#00A272
oklch(63% 0.135 163.5)
-
Step 600
600
#00885F
oklch(55.5% 0.119 163.5)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800
#005E41
oklch(42.7% 0.091 163.9)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#63DEAB 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) | #DAD0A8 | 0.130 |
| Deuteranopia (no green cones) | #C9C3AE | 0.126 |
| Tritanopia (no blue cones) | #2EDED0 | 0.053 |
| Achromatopsia (no color) | #C8C8C8 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63DEAB
#63DEAB
oklch(81.7% 0.133 163.5)
- #FF9FD9
#FF9FD9
oklch(81.6% 0.134 343.5)
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 #63DEAB, closest first.
No curated palette has a color within ΔE 0.04 of #63DEAB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.033
- Seafoam Blue #78D1B6 ΔE 0.046
- Emerald #06D6A0 ΔE 0.048
- Medium Aquamarine #66CDAA ΔE 0.048
- Turquoise #40E0D0 ΔE 0.050
- Aqua Green #12E193 ΔE 0.052
- Light Teal #90E4C1 ΔE 0.054
- Hospital Green #9BE5AA ΔE 0.055
Use #63DEAB 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.