#63E0AC
Closest named color: Aqua Marine (#2EE8BB). oklch(82.2% 0.135 163.4), rgb(99, 224, 172).
Aa
Black text reads best on this color (12.78:1).
About this color
#63E0AC is a light, moderately saturated green. In OKLCH its lightness is 82%, its chroma 0.135 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.030 away. Black text reads best on it, at 12.78:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.78:1 |
| White text | 1.64:1 |
Values
| HEX | #63E0AC |
| RGB | rgb(99, 224, 172) |
| HSL | hsl(155, 67%, 63%) |
| OKLCH | oklch(82.2% 0.135 163.4) |
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 #63E0AC | 1.64:1 | Fails | Lc -31.8 | Non-text elements, placeholder text |
| Black text on #63E0AC | 12.78:1 | AAA | Lc 75.6 | Fine for body text |
| #63E0AC text on white | 1.64:1 | Fails | Lc 28.2 | Dividers and decoration only |
| #63E0AC text on black | 12.78:1 | AAA | Lc -74.7 | 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
#EBFAF2
oklch(97.2% 0.019 162.9)
-
Step 100
100
#D3F3E3
oklch(93.7% 0.04 164)
-
Step 200
200
#ACE9CB
oklch(88.4% 0.075 163.1)
-
Step 300
300 (this color)
#63E0AC
oklch(82.2% 0.135 163.4)
-
Step 400
400
#00BD85
oklch(70.6% 0.152 163.2)
-
Step 500
500
#00A272
oklch(63% 0.135 163.5)
-
Step 600
600
#00885F
oklch(55.5% 0.119 163.5)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#63E0AC 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) | #DCD2A9 | 0.131 |
| Deuteranopia (no green cones) | #CAC5AF | 0.126 |
| Tritanopia (no blue cones) | #2CE0D2 | 0.055 |
| Achromatopsia (no color) | #CACACA | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63E0AC
#63E0AC
oklch(82.2% 0.135 163.4)
- #FFA2DA
#FFA2DA
oklch(82.2% 0.129 343.4)
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 #63E0AC, closest first.
No curated palette has a color within ΔE 0.04 of #63E0AC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.030
- Turquoise #40E0D0 ΔE 0.050
- Seafoam Blue #78D1B6 ΔE 0.050
- Emerald #06D6A0 ΔE 0.051
- Aqua Green #12E193 ΔE 0.052
- Light Teal #90E4C1 ΔE 0.052
- Hospital Green #9BE5AA ΔE 0.052
- Medium Aquamarine #66CDAA ΔE 0.053
Use #63E0AC 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.