#559191
Closest named color: Dusty Teal (#4C9085). oklch(61.6% 0.063 195.6), rgb(85, 145, 145).
Aa
Black text reads best on this color (5.84:1).
About this color
#559191 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.063 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.021 away. Black text reads best on it, at 5.84:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.84:1 |
| White text | 3.59:1 |
Values
| HEX | #559191 |
| RGB | rgb(85, 145, 145) |
| HSL | hsl(180, 26%, 45%) |
| OKLCH | oklch(61.6% 0.063 195.6) |
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 #559191 | 3.59:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #559191 | 5.84:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #559191 text on white | 3.59:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #559191 text on black | 5.84:1 | AA | Lc -38.3 | Non-text elements, placeholder text |
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
#CDDDDD
oklch(88.6% 0.017 196.8)
-
Step 300
300
#ABC7C7
oklch(80.9% 0.03 196.6)
-
Step 400
400
#7DABAA
oklch(70.8% 0.049 194.4)
-
Step 500
500 (this color)
#559191
oklch(61.6% 0.063 195.6)
-
Step 600
600
#3D8080
oklch(55.7% 0.068 195.4)
-
Step 700
700
#2E6C6C
oklch(49.1% 0.063 195.3)
-
Step 800
800
#285858
oklch(42.7% 0.052 195.4)
-
Step 900
900
#254848
oklch(37.5% 0.041 195.6)
-
Step 950
950
#172A2A
oklch(26.9% 0.025 195.8)
#559191 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) | #8A8C91 | 0.065 |
| Deuteranopia (no green cones) | #7F8492 | 0.061 |
| Tritanopia (no blue cones) | #3A9491 | 0.023 |
| Achromatopsia (no color) | #878787 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559191
#559191
oklch(61.6% 0.063 195.6)
- #A77678
#A77678
oklch(61.6% 0.062 16.3)
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 #559191, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.021
- Sea #3C9992 ΔE 0.029
- Grey Teal #5E9B8A ΔE 0.037
- Teal Green #0A9396 ΔE 0.041
- Cadet Blue #5F9EA0 ΔE 0.042
- Dull Teal #5F9E8F ΔE 0.042
- Persian Green #2A9D8F ΔE 0.045
- Steel Grey #6F828A ΔE 0.048
Use #559191 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.