#5AA09F
Closest named color: Cadet Blue (#5F9EA0). oklch(66% 0.071 194.4), rgb(90, 160, 159).
Aa
Black text reads best on this color (6.96:1).
About this color
#5AA09F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.071 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.008 away. Black text reads best on it, at 6.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.96:1 |
| White text | 3.01:1 |
Values
| HEX | #5AA09F |
| RGB | rgb(90, 160, 159) |
| HSL | hsl(179, 28%, 49%) |
| OKLCH | oklch(66% 0.071 194.4) |
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 #5AA09F | 3.01:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #5AA09F | 6.96:1 | AA | Lc 47.3 | Large or bold text, headings |
| #5AA09F text on white | 3.01:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #5AA09F text on black | 6.96:1 | AA | Lc -45.0 | 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 500.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CBDDDD
oklch(88.4% 0.019 196.8)
-
Step 300
300
#A8C8C7
oklch(80.9% 0.034 194.2)
-
Step 400
400
#77ACAB
oklch(70.7% 0.056 194.5)
-
Step 500
500 (this color)
#5AA09F
oklch(66% 0.071 194.4)
-
Step 600
600
#318181
oklch(55.5% 0.077 195.2)
-
Step 700
700
#226D6D
oklch(49% 0.072 195.1)
-
Step 800
800
#1F5959
oklch(42.7% 0.059 195.2)
-
Step 900
900
#204949
oklch(37.6% 0.046 195.4)
-
Step 950
950
#142B2B
oklch(27% 0.029 195.6)
#5AA09F 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) | #989A9F | 0.074 |
| Deuteranopia (no green cones) | #8C91A0 | 0.069 |
| Tritanopia (no blue cones) | #38A49F | 0.026 |
| Achromatopsia (no color) | #949494 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA09F
#5AA09F
oklch(66% 0.071 194.4)
- #B98085
#B98085
oklch(65.9% 0.071 13.4)
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 #5AA09F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.008
- Dull Teal #5F9E8F ΔE 0.022
- Grey Teal #5E9B8A ΔE 0.030
- Sea #3C9992 ΔE 0.039
- Persian Green #2A9D8F ΔE 0.045
- Greyblue #77A1B5 ΔE 0.048
- Light Sea Green #20B2AA ΔE 0.054
- Blue Green #0F9B8E ΔE 0.056
Use #5AA09F 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.