#63D8A2
Closest named color: Medium Aquamarine (#66CDAA). oklch(80% 0.133 161.1), rgb(99, 216, 162).
Aa
Black text reads best on this color (11.87:1).
About this color
#63D8A2 is a light, moderately saturated green. In OKLCH its lightness is 80%, its chroma 0.133 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.036 away. Black text reads best on it, at 11.87:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.87:1 |
| White text | 1.76:1 |
Values
| HEX | #63D8A2 |
| RGB | rgb(99, 216, 162) |
| HSL | hsl(152, 60%, 62%) |
| OKLCH | oklch(80% 0.133 161.1) |
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 #63D8A2 | 1.76:1 | Fails | Lc -36.2 | Non-text elements, placeholder text |
| Black text on #63D8A2 | 11.87:1 | AAA | Lc 71.6 | Content text, not long reading |
| #63D8A2 text on white | 1.76:1 | Fails | Lc 32.2 | Non-text elements, placeholder text |
| #63D8A2 text on black | 11.87:1 | AAA | Lc -70.5 | 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
#ECF9F2
oklch(97.1% 0.017 162.8)
-
Step 100
100
#D5F2E2
oklch(93.6% 0.037 161.5)
-
Step 200
200
#AEE9CA
oklch(88.5% 0.074 161.5)
-
Step 300
300 (this color)
#63D8A2
oklch(80% 0.133 161.1)
-
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)
#63D8A2 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) | #D5CA9F | 0.127 |
| Deuteranopia (no green cones) | #C4BEA5 | 0.122 |
| Tritanopia (no blue cones) | #38D7C9 | 0.056 |
| Achromatopsia (no color) | #C3C3C3 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63D8A2
#63D8A2
oklch(80% 0.133 161.1)
- #F79BD7
#F79BD7
oklch(80.1% 0.132 341.1)
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 #63D8A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.036
- Emerald #06D6A0 ΔE 0.038
- Seafoam Blue #78D1B6 ΔE 0.043
- Aqua Marine #2EE8BB ΔE 0.047
- Aqua Green #12E193 ΔE 0.050
- Pale Teal #82CBB2 ΔE 0.055
- Turquoise #40E0D0 ΔE 0.059
- Hospital Green #9BE5AA ΔE 0.066
Use #63D8A2 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.