#63AAAA
Closest named color: Cadet Blue (#5F9EA0). oklch(69.2% 0.072 195.6), rgb(99, 170, 170).
Aa
Black text reads best on this color (7.86:1).
About this color
#63AAAA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.072 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.035 away. Black text reads best on it, at 7.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.86:1 |
| White text | 2.67:1 |
Values
| HEX | #63AAAA |
| RGB | rgb(99, 170, 170) |
| HSL | hsl(180, 29%, 53%) |
| OKLCH | oklch(69.2% 0.072 195.6) |
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 #63AAAA | 2.67:1 | Fails | Lc -57.0 | Large or bold text, headings |
| Black text on #63AAAA | 7.86:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #63AAAA text on white | 2.67:1 | Fails | Lc 51.8 | Large or bold text, headings |
| #63AAAA text on black | 7.86:1 | AAA | Lc -50.1 | 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
#E1EDEC
oklch(93.7% 0.013 190.9)
-
Step 200
200
#C7DFDE
oklch(88.6% 0.026 193.6)
-
Step 300
300
#A0CACA
oklch(80.9% 0.044 196.3)
-
Step 400
400 (this color)
#63AAAA
oklch(69.2% 0.072 195.6)
-
Step 500
500
#359B9B
oklch(63.2% 0.092 195.1)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#0C4B4C
oklch(37.6% 0.059 196.6)
-
Step 950
950
#0B2C2C
oklch(26.9% 0.038 195.2)
#63AAAA 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) | #A2A4AA | 0.075 |
| Deuteranopia (no green cones) | #959AAB | 0.071 |
| Tritanopia (no blue cones) | #42AEAA | 0.027 |
| Achromatopsia (no color) | #9E9E9E | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AAAA
#63AAAA
oklch(69.2% 0.072 195.6)
- #C48A8D
#C48A8D
oklch(69.1% 0.071 15.7)
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 #63AAAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.035
- Greyblue #77A1B5 ΔE 0.040
- Light Sea Green #20B2AA ΔE 0.044
- Bluegrey #85A3B2 ΔE 0.045
- Dull Teal #5F9E8F ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.052
- Turquoise Blue #06B1C4 ΔE 0.052
- Greeny Blue #42B395 ΔE 0.054
Use #63AAAA 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.