#63E2B9
Closest named color: Aqua Marine (#2EE8BB). oklch(83% 0.128 169), rgb(99, 226, 185).
Aa
Black text reads best on this color (13.10:1).
About this color
#63E2B9 is a light, moderately saturated green. In OKLCH its lightness is 83%, its chroma 0.128 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.027 away. Black text reads best on it, at 13.10:1.
| Hue family | Greens |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 13.10:1 |
| White text | 1.60:1 |
Values
| HEX | #63E2B9 |
| RGB | rgb(99, 226, 185) |
| HSL | hsl(161, 69%, 64%) |
| OKLCH | oklch(83% 0.128 169) |
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 #63E2B9 | 1.60:1 | Fails | Lc -30.3 | Non-text elements, placeholder text |
| Black text on #63E2B9 | 13.10:1 | AAA | Lc 76.9 | Fine for body text |
| #63E2B9 text on white | 1.60:1 | Fails | Lc 26.9 | Dividers and decoration only |
| #63E2B9 text on black | 13.10:1 | AAA | Lc -76.1 | Fine for body text |
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
#D3F2E6
oklch(93.5% 0.036 170.2)
-
Step 200
200
#ABE9D1
oklch(88.5% 0.071 168.8)
-
Step 300
300 (this color)
#63E2B9
oklch(83% 0.128 169)
-
Step 400
400
#00BC91
oklch(70.7% 0.142 168.9)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#63E2B9 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) | #DDD4B7 | 0.131 |
| Deuteranopia (no green cones) | #CAC7BC | 0.125 |
| Tritanopia (no blue cones) | #1CE3D6 | 0.045 |
| Achromatopsia (no color) | #CCCCCC | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63E2B9
#63E2B9
oklch(83% 0.128 169)
- #FFA9D3
#FFA9D3
oklch(83.1% 0.113 349.1)
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 #63E2B9, closest first.
No curated palette has a color within ΔE 0.04 of #63E2B9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.027
- Turquoise #40E0D0 ΔE 0.037
- Light Teal #90E4C1 ΔE 0.041
- Seafoam Blue #78D1B6 ΔE 0.047
- Hospital Green #9BE5AA ΔE 0.052
- Medium Aquamarine #66CDAA ΔE 0.056
- Light Turquoise #7EF4CC ΔE 0.057
- Tiffany Blue #94D2BD ΔE 0.060
Use #63E2B9 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.