#63B2AA
Closest named color: Light Sea Green (#20B2AA). oklch(71.1% 0.079 187.1), rgb(99, 178, 170).
Aa
Black text reads best on this color (8.47:1).
About this color
#63B2AA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.079 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.040 away. Black text reads best on it, at 8.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.47:1 |
| White text | 2.47:1 |
Values
| HEX | #63B2AA |
| RGB | rgb(99, 178, 170) |
| HSL | hsl(174, 34%, 54%) |
| OKLCH | oklch(71.1% 0.079 187.1) |
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 #63B2AA | 2.47:1 | Fails | Lc -53.6 | Large or bold text, headings |
| Black text on #63B2AA | 8.47:1 | AAA | Lc 55.5 | Large or bold text, headings |
| #63B2AA text on white | 2.47:1 | Fails | Lc 48.5 | Large or bold text, headings |
| #63B2AA text on black | 8.47:1 | AAA | Lc -53.5 | Large or bold text, headings |
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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEB
oklch(93.6% 0.014 185.9)
-
Step 200
200
#C6DFDC
oklch(88.4% 0.027 187.9)
-
Step 300
300
#9DCBC6
oklch(80.8% 0.049 188)
-
Step 400
400 (this color)
#63B2AA
oklch(71.1% 0.079 187.1)
-
Step 500
500
#269D94
oklch(63.1% 0.101 187.3)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#072D2A
oklch(27% 0.042 187.4)
#63B2AA 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) | #ABAAAA | 0.085 |
| Deuteranopia (no green cones) | #9DA0AB | 0.080 |
| Tritanopia (no blue cones) | #40B5AF | 0.025 |
| Achromatopsia (no color) | #A5A5A5 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B2AA
#63B2AA
oklch(71.1% 0.079 187.1)
- #CD8D99
#CD8D99
oklch(71% 0.079 6.9)
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 #63B2AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.040
- Topaz #13BBAF ΔE 0.043
- Greeny Blue #42B395 ΔE 0.044
- Muted Teal #90B494 ΔE 0.055
- Turquoise Blue #06B1C4 ΔE 0.056
- Cadet Blue #5F9EA0 ΔE 0.057
- Bluegrey #85A3B2 ΔE 0.058
- Pewter #96A8A1 ΔE 0.058
Use #63B2AA 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.