#579591
Closest named color: Sea (#3C9992). oklch(62.7% 0.065 190.3), rgb(87, 149, 145).
Aa
Black text reads best on this color (6.11:1).
About this color
#579591 is a medium-light, muted teal or cyan. In OKLCH its lightness is 63%, its chroma 0.065 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.023 away. Black text reads best on it, at 6.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #579591 |
| RGB | rgb(87, 149, 145) |
| HSL | hsl(176, 26%, 46%) |
| OKLCH | oklch(62.7% 0.065 190.3) |
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 #579591 | 3.43:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #579591 | 6.11:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #579591 text on white | 3.43:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #579591 text on black | 6.11:1 | AA | Lc -39.9 | 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
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#AAC8C5
oklch(81% 0.033 189.1)
-
Step 400
400
#7CABA8
oklch(70.7% 0.05 191.1)
-
Step 500
500 (this color)
#579591
oklch(62.7% 0.065 190.3)
-
Step 600
600
#3B817D
oklch(55.7% 0.071 190.3)
-
Step 700
700
#2D6D69
oklch(49.2% 0.065 189.7)
-
Step 800
800
#265956
oklch(42.8% 0.055 190.1)
-
Step 900
900
#254947
oklch(37.8% 0.042 190.9)
-
Step 950
950
#162B29
oklch(27.1% 0.027 187.9)
#579591 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) | #8F8F91 | 0.069 |
| Deuteranopia (no green cones) | #848792 | 0.065 |
| Tritanopia (no blue cones) | #3D9894 | 0.021 |
| Achromatopsia (no color) | #8A8A8A | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #579591
#579591
oklch(62.7% 0.065 190.3)
- #AB787F
#AB787F
oklch(62.6% 0.065 10)
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 #579591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.023
- Dusty Teal #4C9085 ΔE 0.025
- Grey Teal #5E9B8A ΔE 0.025
- Dull Teal #5F9E8F ΔE 0.030
- Cadet Blue #5F9EA0 ΔE 0.032
- Persian Green #2A9D8F ΔE 0.038
- Blue Green #0F9B8E ΔE 0.044
- Teal Green #0A9396 ΔE 0.045
Use #579591 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.