#63C4A2
Closest named color: Medium Aquamarine (#66CDAA). oklch(75.2% 0.105 168.3), rgb(99, 196, 162).
Aa
Black text reads best on this color (9.94:1).
About this color
#63C4A2 is a medium-light, moderately saturated green. In OKLCH its lightness is 75%, its chroma 0.105 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.025 away. Black text reads best on it, at 9.94:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.94:1 |
| White text | 2.11:1 |
Values
| HEX | #63C4A2 |
| RGB | rgb(99, 196, 162) |
| HSL | hsl(159, 45%, 58%) |
| OKLCH | oklch(75.2% 0.105 168.3) |
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 #63C4A2 | 2.11:1 | Fails | Lc -45.8 | Large or bold text, headings |
| Black text on #63C4A2 | 9.94:1 | AAA | Lc 62.8 | Content text, not long reading |
| #63C4A2 text on white | 2.11:1 | Fails | Lc 41.2 | Non-text elements, placeholder text |
| #63C4A2 text on black | 9.94:1 | AAA | Lc -61.1 | 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 400.
-
Step 50
50
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100
#DEEEE7
oklch(93.5% 0.019 167.9)
-
Step 200
200
#C3E1D5
oklch(88.4% 0.036 169.4)
-
Step 300
300
#97CFB9
oklch(81% 0.066 168.4)
-
Step 400
400 (this color)
#63C4A2
oklch(75.2% 0.105 168.3)
-
Step 500
500
#00A17B
oklch(63% 0.127 168.5)
-
Step 600
600
#008867
oklch(55.7% 0.112 168.2)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#63C4A2 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) | #C0B9A0 | 0.107 |
| Deuteranopia (no green cones) | #B1AEA4 | 0.103 |
| Tritanopia (no blue cones) | #3FC5BA | 0.037 |
| Achromatopsia (no color) | #B2B2B2 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63C4A2
#63C4A2
oklch(75.2% 0.105 168.3)
- #E093BA
#E093BA
oklch(75.2% 0.105 348.2)
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 #63C4A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.025
- Pale Teal #82CBB2 ΔE 0.043
- Dark Sea Green #8FBC8F ΔE 0.045
- Seafoam Blue #78D1B6 ΔE 0.047
- Greenblue #23C48B ΔE 0.052
- Topaz #13BBAF ΔE 0.055
- Soft Green #6FC276 ΔE 0.056
- Muted Teal #90B494 ΔE 0.056
Use #63C4A2 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.