#63DFA9
Closest named color: Aqua Marine (#2EE8BB). oklch(81.9% 0.136 162.3), rgb(99, 223, 169).
Aa
Black text reads best on this color (12.65:1).
About this color
#63DFA9 is a light, moderately saturated green. In OKLCH its lightness is 82%, its chroma 0.136 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.032 away. Black text reads best on it, at 12.65:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.65:1 |
| White text | 1.65:1 |
Values
| HEX | #63DFA9 |
| RGB | rgb(99, 223, 169) |
| HSL | hsl(154, 66%, 63%) |
| OKLCH | oklch(81.9% 0.136 162.3) |
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 #63DFA9 | 1.65:1 | Fails | Lc -32.4 | Non-text elements, placeholder text |
| Black text on #63DFA9 | 12.65:1 | AAA | Lc 75.0 | Fine for body text |
| #63DFA9 text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #63DFA9 text on black | 12.65:1 | AAA | Lc -74.1 | 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
#EBFAF2
oklch(97.2% 0.019 162.9)
-
Step 100
100
#D4F3E2
oklch(93.7% 0.04 161.6)
-
Step 200
200
#ACE9CA
oklch(88.4% 0.075 162.3)
-
Step 300
300 (this color)
#63DFA9
oklch(81.9% 0.136 162.3)
-
Step 400
400
#00BD83
oklch(70.6% 0.154 162.4)
-
Step 500
500
#00A270
oklch(63% 0.137 162.6)
-
Step 600
600
#00895D
oklch(55.7% 0.122 162)
-
Step 700
700
#00734E
oklch(49.1% 0.107 162.4)
-
Step 800
800
#005E3F
oklch(42.6% 0.093 162.3)
-
Step 900
900
#004F34
oklch(37.8% 0.083 162.1)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#63DFA9 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) | #DCD0A6 | 0.132 |
| Deuteranopia (no green cones) | #CAC4AC | 0.127 |
| Tritanopia (no blue cones) | #30DFD0 | 0.056 |
| Achromatopsia (no color) | #C9C9C9 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63DFA9
#63DFA9
oklch(81.9% 0.136 162.3)
- #FFA0DB
#FFA0DB
oklch(81.9% 0.133 342.6)
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 #63DFA9, closest first.
No curated palette has a color within ΔE 0.04 of #63DFA9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.032
- Emerald #06D6A0 ΔE 0.049
- Aqua Green #12E193 ΔE 0.049
- Seafoam Blue #78D1B6 ΔE 0.051
- Medium Aquamarine #66CDAA ΔE 0.052
- Turquoise #40E0D0 ΔE 0.053
- Hospital Green #9BE5AA ΔE 0.054
- Light Teal #90E4C1 ΔE 0.055
Use #63DFA9 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.