#63CAA7
Closest named color: Medium Aquamarine (#66CDAA). oklch(76.7% 0.11 168.7), rgb(99, 202, 167).
Aa
Black text reads best on this color (10.53:1).
About this color
#63CAA7 is a medium-light, moderately saturated green. In OKLCH its lightness is 77%, its chroma 0.110 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.009 away. Black text reads best on it, at 10.53:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.53:1 |
| White text | 1.99:1 |
Values
| HEX | #63CAA7 |
| RGB | rgb(99, 202, 167) |
| HSL | hsl(160, 49%, 59%) |
| OKLCH | oklch(76.7% 0.11 168.7) |
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 #63CAA7 | 1.99:1 | Fails | Lc -42.8 | Non-text elements, placeholder text |
| Black text on #63CAA7 | 10.53:1 | AAA | Lc 65.6 | Content text, not long reading |
| #63CAA7 text on white | 1.99:1 | Fails | Lc 38.4 | Non-text elements, placeholder text |
| #63CAA7 text on black | 10.53:1 | AAA | Lc -64.0 | 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
#EDF9F4
oklch(97.2% 0.014 169.3)
-
Step 100
100
#D6F1E6
oklch(93.5% 0.032 169.2)
-
Step 200
200
#B2E7D2
oklch(88.5% 0.062 168.7)
-
Step 300
300 (this color)
#63CAA7
oklch(76.7% 0.11 168.7)
-
Step 400
400
#00BC91
oklch(70.7% 0.142 168.9)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#63CAA7 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) | #C5BEA5 | 0.111 |
| Deuteranopia (no green cones) | #B6B3A9 | 0.107 |
| Tritanopia (no blue cones) | #3ACBC0 | 0.039 |
| Achromatopsia (no color) | #B8B8B8 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63CAA7
#63CAA7
oklch(76.7% 0.11 168.7)
- #E896BF
#E896BF
oklch(76.7% 0.11 348.6)
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 #63CAA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.009
- Seafoam Blue #78D1B6 ΔE 0.034
- Pale Teal #82CBB2 ΔE 0.034
- Medium Turquoise #48D1CC ΔE 0.049
- Emerald #06D6A0 ΔE 0.051
- Dark Sea Green #8FBC8F ΔE 0.052
- Greenblue #23C48B ΔE 0.058
- Soft Green #6FC276 ΔE 0.060
Use #63CAA7 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.