#63FDC6
Closest named color: Light Aquamarine (#7BFDC7). oklch(89.8% 0.153 166.1), rgb(99, 253, 198).
Aa
Black text reads best on this color (16.39:1).
About this color
#63FDC6 is a light, vivid green. In OKLCH its lightness is 90%, its chroma 0.153 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Aquamarine (#7BFDC7), ΔE 0.016 away. Black text reads best on it, at 16.39:1.
| Hue family | Greens |
| Lightness | light (90%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Light Aquamarine (#7BFDC7) |
| Black text | 16.39:1 |
| White text | 1.28:1 |
Values
| HEX | #63FDC6 |
| RGB | rgb(99, 253, 198) |
| HSL | hsl(159, 97%, 69%) |
| OKLCH | oklch(89.8% 0.153 166.1) |
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 #63FDC6 | 1.28:1 | Fails | Lc -15.7 | Dividers and decoration only |
| Black text on #63FDC6 | 16.39:1 | AAA | Lc 90.0 | Preferred for body text |
| #63FDC6 text on white | 1.28:1 | Fails | Lc 13.6 | Not readable |
| #63FDC6 text on black | 16.39:1 | AAA | Lc -90.3 | Preferred 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 200.
-
Step 50
50
#E6FBF1
oklch(97% 0.026 165.7)
-
Step 100
100
#C7F7E1
oklch(93.7% 0.057 165.6)
-
Step 200
200 (this color)
#63FDC6
oklch(89.8% 0.153 166.1)
-
Step 300
300
#00E2A7
oklch(80.9% 0.168 165.8)
-
Step 400
400
#00BD8B
oklch(70.8% 0.147 165.8)
-
Step 500
500
#00A277
oklch(63.2% 0.131 166)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007253
oklch(49% 0.101 166.2)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#63FDC6 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) | #F8ECC3 | 0.152 |
| Deuteranopia (no green cones) | #E2DDCA | 0.146 |
| Tritanopia (no blue cones) | #00FEEE | 0.056 |
| Achromatopsia (no color) | #E3E3E3 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63FDC6
#63FDC6
oklch(89.8% 0.153 166.1)
- #FFCCE6
#FFCCE6
oklch(89.7% 0.066 346.5)
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 #63FDC6, closest first.
No curated palette has a color within ΔE 0.04 of #63FDC6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Aquamarine #7BFDC7 ΔE 0.016
- Light Blue Green #7EFBB3 ΔE 0.026
- Aquamarine #7FFFD4 ΔE 0.029
- Seafoam #80F9AD ΔE 0.032
- Seafoam Green #7AF9AB ΔE 0.033
- Light Turquoise #7EF4CC ΔE 0.033
- Bright Teal #01F9C6 ΔE 0.033
- Greenish Cyan #2AFEB7 ΔE 0.034
Use #63FDC6 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.