#63ACAE
Closest named color: Greyblue (#77A1B5). oklch(69.8% 0.073 197.9), rgb(99, 172, 174).
Aa
Black text reads best on this color (8.04:1).
About this color
#63ACAE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.073 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.041 away. Black text reads best on it, at 8.04:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.04:1 |
| White text | 2.61:1 |
Values
| HEX | #63ACAE |
| RGB | rgb(99, 172, 174) |
| HSL | hsl(182, 32%, 54%) |
| OKLCH | oklch(69.8% 0.073 197.9) |
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 #63ACAE | 2.61:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #63ACAE | 8.04:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #63ACAE text on white | 2.61:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #63ACAE text on black | 8.04:1 | AAA | Lc -51.1 | 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
#E0EDED
oklch(93.6% 0.014 196.9)
-
Step 200
200
#C7DFDF
oklch(88.6% 0.026 196.7)
-
Step 300
300
#9FCACB
oklch(80.9% 0.045 198.1)
-
Step 400
400 (this color)
#63ACAE
oklch(69.8% 0.073 197.9)
-
Step 500
500
#319B9E
oklch(63.2% 0.094 197.8)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#084B4D
oklch(37.6% 0.061 198.1)
-
Step 950
950
#0A2C2D
oklch(27% 0.038 197.9)
#63ACAE 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) | #A3A6AE | 0.076 |
| Deuteranopia (no green cones) | #969CAF | 0.071 |
| Tritanopia (no blue cones) | #3FB0AC | 0.029 |
| Achromatopsia (no color) | #A0A0A0 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63ACAE
#63ACAE
oklch(69.8% 0.073 197.9)
- #C78C8D
#C78C8D
oklch(69.8% 0.072 17.9)
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 #63ACAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.041
- Cadet Blue #5F9EA0 ΔE 0.041
- Light Sea Green #20B2AA ΔE 0.044
- Bluegrey #85A3B2 ΔE 0.045
- Turquoise Blue #06B1C4 ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.052
- Dull Teal #5F9E8F ΔE 0.053
- Topaz #13BBAF ΔE 0.055
Use #63ACAE 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.