#63AFAE
Closest named color: Light Sea Green (#20B2AA). oklch(70.5% 0.076 194.5), rgb(99, 175, 174).
Aa
Black text reads best on this color (8.27:1).
About this color
#63AFAE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.076 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.042 away. Black text reads best on it, at 8.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.27:1 |
| White text | 2.53:1 |
Values
| HEX | #63AFAE |
| RGB | rgb(99, 175, 174) |
| HSL | hsl(179, 32%, 54%) |
| OKLCH | oklch(70.5% 0.076 194.5) |
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 #63AFAE | 2.53:1 | Fails | Lc -54.7 | Large or bold text, headings |
| Black text on #63AFAE | 8.27:1 | AAA | Lc 54.4 | Large or bold text, headings |
| #63AFAE text on white | 2.53:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #63AFAE text on black | 8.27:1 | AAA | Lc -52.3 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEC
oklch(93.6% 0.014 191.4)
-
Step 200
200
#C6DFDE
oklch(88.5% 0.027 193.7)
-
Step 300
300
#9ECBCA
oklch(81% 0.047 194.6)
-
Step 400
400 (this color)
#63AFAE
oklch(70.5% 0.076 194.5)
-
Step 500
500
#2B9C9B
oklch(63.2% 0.097 194.1)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#034C4C
oklch(37.8% 0.063 194.8)
-
Step 950
950
#082C2C
oklch(26.8% 0.04 195)
#63AFAE 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) | #A6A8AE | 0.079 |
| Deuteranopia (no green cones) | #999EAF | 0.075 |
| Tritanopia (no blue cones) | #3EB3AE | 0.028 |
| Achromatopsia (no color) | #A2A2A2 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AFAE
#63AFAE
oklch(70.5% 0.076 194.5)
- #CB8D91
#CB8D91
oklch(70.6% 0.076 14.9)
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 #63AFAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.042
- Greyblue #77A1B5 ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.049
- Bluegrey #85A3B2 ΔE 0.049
- Topaz #13BBAF ΔE 0.050
- Turquoise Blue #06B1C4 ΔE 0.050
- Greeny Blue #42B395 ΔE 0.052
- Pewter #96A8A1 ΔE 0.057
Use #63AFAE 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.