#63EFB8
Closest named color: Bright Teal (#01F9C6). oklch(86.1% 0.145 164.3), rgb(99, 239, 184).
Aa
Black text reads best on this color (14.56:1).
About this color
#63EFB8 is a light, vivid green. In OKLCH its lightness is 86%, its chroma 0.145 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bright Teal (#01F9C6), ΔE 0.034 away. Black text reads best on it, at 14.56:1.
| Hue family | Greens |
| Lightness | light (86%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Bright Teal (#01F9C6) |
| Black text | 14.56:1 |
| White text | 1.44:1 |
Values
| HEX | #63EFB8 |
| RGB | rgb(99, 239, 184) |
| HSL | hsl(156, 81%, 66%) |
| OKLCH | oklch(86.1% 0.145 164.3) |
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 #63EFB8 | 1.44:1 | Fails | Lc -23.7 | Dividers and decoration only |
| Black text on #63EFB8 | 14.56:1 | AAA | Lc 82.9 | Fine for body text |
| #63EFB8 text on white | 1.44:1 | Fails | Lc 20.8 | Dividers and decoration only |
| #63EFB8 text on black | 14.56:1 | AAA | Lc -82.6 | Fine 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
#E7FBF1
oklch(97.1% 0.025 164.5)
-
Step 100
100
#CAF6E0
oklch(93.6% 0.054 163.5)
-
Step 200
200 (this color)
#63EFB8
oklch(86.1% 0.145 164.3)
-
Step 300
300
#00E2A3
oklch(80.8% 0.171 164.4)
-
Step 400
400
#00BD87
oklch(70.7% 0.15 164.1)
-
Step 500
500
#00A274
oklch(63.1% 0.134 164.5)
-
Step 600
600
#008861
oklch(55.5% 0.117 164.6)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#004E36
oklch(37.5% 0.079 164.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#63EFB8 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) | #EBDFB5 | 0.143 |
| Deuteranopia (no green cones) | #D7D1BC | 0.138 |
| Tritanopia (no blue cones) | #0FEFE0 | 0.057 |
| Achromatopsia (no color) | #D7D7D7 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63EFB8
#63EFB8
oklch(86.1% 0.145 164.3)
- #FFB8E0
#FFB8E0
oklch(86% 0.096 344.5)
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 #63EFB8, closest first.
No curated palette has a color within ΔE 0.04 of #63EFB8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Teal #01F9C6 ΔE 0.034
- Aqua Marine #2EE8BB ΔE 0.035
- Light Turquoise #7EF4CC ΔE 0.037
- Seafoam Green #7AF9AB ΔE 0.041
- Seafoam #80F9AD ΔE 0.042
- Light Blue Green #7EFBB3 ΔE 0.043
- Greenish Cyan #2AFEB7 ΔE 0.045
- Light Aquamarine #7BFDC7 ΔE 0.045
Use #63EFB8 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.