#63E4AA
Closest named color: Aqua Marine (#2EE8BB). oklch(83.1% 0.142 161.4), rgb(99, 228, 170).
Aa
Black text reads best on this color (13.20:1).
About this color
#63E4AA is a light, vivid green. In OKLCH its lightness is 83%, its chroma 0.142 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.028 away. Black text reads best on it, at 13.20:1.
| Hue family | Greens |
| Lightness | light (83%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 13.20:1 |
| White text | 1.58:1 |
Values
| HEX | #63E4AA |
| RGB | rgb(99, 228, 170) |
| HSL | hsl(153, 70%, 64%) |
| OKLCH | oklch(83.1% 0.142 161.4) |
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 #63E4AA | 1.58:1 | Fails | Lc -29.9 | Dividers and decoration only |
| Black text on #63E4AA | 13.20:1 | AAA | Lc 77.4 | Fine for body text |
| #63E4AA text on white | 1.58:1 | Fails | Lc 26.4 | Dividers and decoration only |
| #63E4AA text on black | 13.20:1 | AAA | Lc -76.6 | 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
#EBFAF1
oklch(97.2% 0.02 159.8)
-
Step 100
100
#D3F3E1
oklch(93.6% 0.041 160.9)
-
Step 200
200
#AAEAC9
oklch(88.5% 0.079 161.8)
-
Step 300
300 (this color)
#63E4AA
oklch(83.1% 0.142 161.4)
-
Step 400
400
#00BE81
oklch(70.8% 0.157 161.4)
-
Step 500
500
#00A36E
oklch(63.2% 0.14 161.4)
-
Step 600
600
#00895C
oklch(55.7% 0.123 161.5)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3E
oklch(42.6% 0.094 161.6)
-
Step 900
900
#004F33
oklch(37.8% 0.084 161.3)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#63E4AA 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) | #E1D5A7 | 0.136 |
| Deuteranopia (no green cones) | #CFC8AE | 0.132 |
| Tritanopia (no blue cones) | #2CE3D4 | 0.060 |
| Achromatopsia (no color) | #CDCDCD | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63E4AA
#63E4AA
oklch(83.1% 0.142 161.4)
- #FFA7DF
#FFA7DF
oklch(83.1% 0.124 341.5)
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 #63E4AA, closest first.
No curated palette has a color within ΔE 0.04 of #63E4AA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.028
- Hospital Green #9BE5AA ΔE 0.049
- Aqua Green #12E193 ΔE 0.049
- Light Teal #90E4C1 ΔE 0.053
- Turquoise #40E0D0 ΔE 0.058
- Emerald #06D6A0 ΔE 0.058
- Bright Teal #01F9C6 ΔE 0.058
- Light Green #90EE90 ΔE 0.060
Use #63E4AA 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.