#63E4B5
Closest named color: Aqua Marine (#2EE8BB). oklch(83.4% 0.134 166.3), rgb(99, 228, 181).
Aa
Black text reads best on this color (13.29:1).
About this color
#63E4B5 is a light, moderately saturated green. In OKLCH its lightness is 83%, its chroma 0.134 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.024 away. Black text reads best on it, at 13.29:1.
| Hue family | Greens |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 13.29:1 |
| White text | 1.57:1 |
Values
| HEX | #63E4B5 |
| RGB | rgb(99, 228, 181) |
| HSL | hsl(158, 70%, 64%) |
| OKLCH | oklch(83.4% 0.134 166.3) |
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 #63E4B5 | 1.57:1 | Fails | Lc -29.5 | Dividers and decoration only |
| Black text on #63E4B5 | 13.29:1 | AAA | Lc 77.7 | Fine for body text |
| #63E4B5 text on white | 1.57:1 | Fails | Lc 26.1 | Dividers and decoration only |
| #63E4B5 text on black | 13.29:1 | AAA | Lc -77.0 | 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
#EBFAF3
oklch(97.2% 0.018 166.4)
-
Step 100
100
#D3F3E4
oklch(93.7% 0.039 165.6)
-
Step 200
200
#AAE9CE
oklch(88.4% 0.074 166.4)
-
Step 300
300 (this color)
#63E4B5
oklch(83.4% 0.134 166.3)
-
Step 400
400
#00BD8C
oklch(70.8% 0.147 166.2)
-
Step 500
500
#00A277
oklch(63.2% 0.131 166)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#63E4B5 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) | #DFD6B3 | 0.133 |
| Deuteranopia (no green cones) | #CDC8B8 | 0.129 |
| Tritanopia (no blue cones) | #20E5D7 | 0.050 |
| Achromatopsia (no color) | #CECECE | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63E4B5
#63E4B5
oklch(83.4% 0.134 166.3)
- #FFAAD8
#FFAAD8
oklch(83.4% 0.114 346.2)
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 #63E4B5, closest first.
No curated palette has a color within ΔE 0.04 of #63E4B5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.024
- Light Teal #90E4C1 ΔE 0.043
- Turquoise #40E0D0 ΔE 0.045
- Hospital Green #9BE5AA ΔE 0.048
- Seafoam Blue #78D1B6 ΔE 0.054
- Light Turquoise #7EF4CC ΔE 0.055
- Bright Teal #01F9C6 ΔE 0.057
- Aqua Green #12E193 ΔE 0.060
Use #63E4B5 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.