#63DFA4
Closest named color: Aqua Marine (#2EE8BB). oklch(81.8% 0.14 160.2), rgb(99, 223, 164).
Aa
Black text reads best on this color (12.62:1).
About this color
#63DFA4 is a light, vivid green. In OKLCH its lightness is 82%, its chroma 0.140 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.035 away. Black text reads best on it, at 12.62:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.62:1 |
| White text | 1.66:1 |
Values
| HEX | #63DFA4 |
| RGB | rgb(99, 223, 164) |
| HSL | hsl(151, 66%, 63%) |
| OKLCH | oklch(81.8% 0.14 160.2) |
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 #63DFA4 | 1.66:1 | Fails | Lc -32.6 | Non-text elements, placeholder text |
| Black text on #63DFA4 | 12.62:1 | AAA | Lc 74.9 | Content text, not long reading |
| #63DFA4 text on white | 1.66:1 | Fails | Lc 28.9 | Dividers and decoration only |
| #63DFA4 text on black | 12.62:1 | AAA | Lc -73.9 | 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
#EBFAF1
oklch(97.2% 0.02 159.8)
-
Step 100
100
#D4F3E1
oklch(93.7% 0.04 160.1)
-
Step 200
200
#ACEAC8
oklch(88.6% 0.078 160.3)
-
Step 300
300 (this color)
#63DFA4
oklch(81.8% 0.14 160.2)
-
Step 400
400
#00BE7E
oklch(70.7% 0.159 160.3)
-
Step 500
500
#00A36B
oklch(63.1% 0.143 160.1)
-
Step 600
600
#008959
oklch(55.6% 0.126 160)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#63DFA4 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) | #DDD0A1 | 0.134 |
| Deuteranopia (no green cones) | #CBC3A8 | 0.130 |
| Tritanopia (no blue cones) | #33DECF | 0.061 |
| Achromatopsia (no color) | #C9C9C9 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63DFA4
#63DFA4
oklch(81.8% 0.14 160.2)
- #FF9EDF
#FF9EDF
oklch(81.7% 0.139 340.3)
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 #63DFA4, closest first.
No curated palette has a color within ΔE 0.04 of #63DFA4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.035
- Aqua Green #12E193 ΔE 0.044
- Emerald #06D6A0 ΔE 0.047
- Medium Aquamarine #66CDAA ΔE 0.054
- Hospital Green #9BE5AA ΔE 0.055
- Seafoam Blue #78D1B6 ΔE 0.055
- Turquoise #40E0D0 ΔE 0.059
- Light Teal #90E4C1 ΔE 0.059
Use #63DFA4 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.