#63AFAB
Closest named color: Light Sea Green (#20B2AA). oklch(70.4% 0.076 191.2), rgb(99, 175, 171).
Aa
Black text reads best on this color (8.25:1).
About this color
#63AFAB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.076 and its hue 191°. 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 8.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.25:1 |
| White text | 2.54:1 |
Values
| HEX | #63AFAB |
| RGB | rgb(99, 175, 171) |
| HSL | hsl(177, 32%, 54%) |
| OKLCH | oklch(70.4% 0.076 191.2) |
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 #63AFAB | 2.54:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #63AFAB | 8.25:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #63AFAB text on white | 2.54:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #63AFAB text on black | 8.25:1 | AAA | Lc -52.2 | 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
#E0EDEC
oklch(93.6% 0.014 191.4)
-
Step 200
200
#C6DFDD
oklch(88.5% 0.027 190.8)
-
Step 300
300
#9ECBC8
oklch(80.9% 0.047 191.2)
-
Step 400
400 (this color)
#63AFAB
oklch(70.4% 0.076 191.2)
-
Step 500
500
#2C9C98
oklch(63.1% 0.097 191.4)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#044C4A
oklch(37.7% 0.063 191.7)
-
Step 950
950
#082D2B
oklch(27.1% 0.041 189.8)
#63AFAB 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) | #A7A8AB | 0.080 |
| Deuteranopia (no green cones) | #9A9EAC | 0.076 |
| Tritanopia (no blue cones) | #40B3AE | 0.026 |
| Achromatopsia (no color) | #A2A2A2 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AFAB
#63AFAB
oklch(70.4% 0.076 191.2)
- #CA8C94
#CA8C94
oklch(70.4% 0.076 10.7)
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 #63AFAB, 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
- Greeny Blue #42B395 ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.048
- Topaz #13BBAF ΔE 0.048
- Greyblue #77A1B5 ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.052
- Turquoise Blue #06B1C4 ΔE 0.052
- Dull Teal #5F9E8F ΔE 0.055
Use #63AFAB 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.