#559A92
Closest named color: Grey Teal (#5E9B8A). oklch(63.8% 0.071 185.9), rgb(85, 154, 146).
Aa
Black text reads best on this color (6.42:1).
About this color
#559A92 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.071 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.015 away. Black text reads best on it, at 6.42:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #559A92 |
| RGB | rgb(85, 154, 146) |
| HSL | hsl(173, 29%, 47%) |
| OKLCH | oklch(63.8% 0.071 185.9) |
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 #559A92 | 3.26:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #559A92 | 6.42:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #559A92 text on white | 3.26:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #559A92 text on black | 6.42:1 | AA | Lc -41.8 | 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
#CCDEDB
oklch(88.6% 0.02 184.9)
-
Step 300
300
#A8C8C4
oklch(80.8% 0.035 187.3)
-
Step 400
400
#78ACA6
oklch(70.6% 0.056 187)
-
Step 500
500 (this color)
#559A92
oklch(63.8% 0.071 185.9)
-
Step 600
600
#33827A
oklch(55.6% 0.078 186)
-
Step 700
700
#256E67
oklch(49.1% 0.072 186.2)
-
Step 800
800
#215A54
oklch(42.8% 0.06 185.7)
-
Step 900
900
#214A45
oklch(37.8% 0.047 185)
-
Step 950
950
#142B28
oklch(26.9% 0.03 184.8)
#559A92 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) | #949392 | 0.077 |
| Deuteranopia (no green cones) | #888B93 | 0.071 |
| Tritanopia (no blue cones) | #379D97 | 0.022 |
| Achromatopsia (no color) | #8E8E8E | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559A92
#559A92
oklch(63.8% 0.071 185.9)
- #B27A85
#B27A85
oklch(64% 0.071 6.4)
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 #559A92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.015
- Dull Teal #5F9E8F ΔE 0.018
- Sea #3C9992 ΔE 0.021
- Cadet Blue #5F9EA0 ΔE 0.025
- Persian Green #2A9D8F ΔE 0.031
- Dusty Teal #4C9085 ΔE 0.034
- Blue Green #0F9B8E ΔE 0.040
- Teal Green #0A9396 ΔE 0.050
Use #559A92 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.