#63DFB0
Closest named color: Aqua Marine (#2EE8BB). oklch(82% 0.131 165.6), rgb(99, 223, 176).
Aa
Black text reads best on this color (12.71:1).
About this color
#63DFB0 is a light, moderately saturated green. In OKLCH its lightness is 82%, its chroma 0.131 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 0.030 away. Black text reads best on it, at 12.71:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.71:1 |
| White text | 1.65:1 |
Values
| HEX | #63DFB0 |
| RGB | rgb(99, 223, 176) |
| HSL | hsl(157, 66%, 63%) |
| OKLCH | oklch(82% 0.131 165.6) |
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 #63DFB0 | 1.65:1 | Fails | Lc -32.2 | Non-text elements, placeholder text |
| Black text on #63DFB0 | 12.71:1 | AAA | Lc 75.3 | Fine for body text |
| #63DFB0 text on white | 1.65:1 | Fails | Lc 28.6 | Dividers and decoration only |
| #63DFB0 text on black | 12.71:1 | AAA | Lc -74.3 | 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
#EBF9F3
oklch(97% 0.017 168.5)
-
Step 100
100
#D3F2E4
oklch(93.5% 0.037 166.6)
-
Step 200
200
#ACE9CE
oklch(88.5% 0.072 165.7)
-
Step 300
300 (this color)
#63DFB0
oklch(82% 0.131 165.6)
-
Step 400
400
#00BD8A
oklch(70.8% 0.148 165.3)
-
Step 500
500
#00A276
oklch(63.1% 0.132 165.5)
-
Step 600
600
#008863
oklch(55.6% 0.116 165.8)
-
Step 700
700
#007353
oklch(49.2% 0.103 165.6)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#63DFB0 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) | #DBD1AE | 0.130 |
| Deuteranopia (no green cones) | #C9C4B3 | 0.126 |
| Tritanopia (no blue cones) | #29DFD2 | 0.050 |
| Achromatopsia (no color) | #C9C9C9 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63DFB0
#63DFB0
oklch(82% 0.131 165.6)
- #FFA2D6
#FFA2D6
oklch(82% 0.127 345.6)
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 #63DFB0, closest first.
No curated palette has a color within ΔE 0.04 of #63DFB0.
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 0.044
- Seafoam Blue #78D1B6 ΔE 0.045
- Medium Aquamarine #66CDAA ΔE 0.049
- Light Teal #90E4C1 ΔE 0.049
- Emerald #06D6A0 ΔE 0.052
- Hospital Green #9BE5AA ΔE 0.054
- Aqua Green #12E193 ΔE 0.057
Use #63DFB0 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.