#63E3A9
Closest named color: Aqua Marine (#2EE8BB). oklch(82.8% 0.142 161.2), rgb(99, 227, 169).
Aa
Black text reads best on this color (13.09:1).
About this color
#63E3A9 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 0.029 away. Black text reads best on it, at 13.09:1.
| Hue family | Greens |
| Lightness | light (83%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 13.09:1 |
| White text | 1.60:1 |
Values
| HEX | #63E3A9 |
| RGB | rgb(99, 227, 169) |
| HSL | hsl(153, 70%, 64%) |
| OKLCH | oklch(82.8% 0.142 161.2) |
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 #63E3A9 | 1.60:1 | Fails | Lc -30.4 | Non-text elements, placeholder text |
| Black text on #63E3A9 | 13.09:1 | AAA | Lc 76.9 | Fine for body text |
| #63E3A9 text on white | 1.60:1 | Fails | Lc 26.9 | Dividers and decoration only |
| #63E3A9 text on black | 13.09:1 | 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
#EBFAF1
oklch(97.2% 0.02 159.8)
-
Step 100
100
#D3F3E1
oklch(93.6% 0.041 160.9)
-
Step 200
200
#ABEAC9
oklch(88.5% 0.078 161.4)
-
Step 300
300 (this color)
#63E3A9
oklch(82.8% 0.142 161.2)
-
Step 400
400
#00BE80
oklch(70.8% 0.158 161)
-
Step 500
500
#00A36D
oklch(63.2% 0.141 160.9)
-
Step 600
600
#00895B
oklch(55.6% 0.124 161)
-
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)
#63E3A9 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) | #E0D4A6 | 0.136 |
| Deuteranopia (no green cones) | #CEC7AD | 0.132 |
| Tritanopia (no blue cones) | #2DE2D3 | 0.060 |
| Achromatopsia (no color) | #CCCCCC | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63E3A9
#63E3A9
oklch(82.8% 0.142 161.2)
- #FFA5DF
#FFA5DF
oklch(82.8% 0.128 341.2)
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 #63E3A9, closest first.
No curated palette has a color within ΔE 0.04 of #63E3A9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.029
- Aqua Green #12E193 ΔE 0.048
- Hospital Green #9BE5AA ΔE 0.050
- Light Teal #90E4C1 ΔE 0.054
- Emerald #06D6A0 ΔE 0.056
- Turquoise #40E0D0 ΔE 0.058
- Seafoam Blue #78D1B6 ΔE 0.060
- Bright Teal #01F9C6 ΔE 0.060
Use #63E3A9 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.