#559698
Closest named color: Sea (#3C9992). oklch(63.1% 0.067 198.2), rgb(85, 150, 152).
Aa
Black text reads best on this color (6.20:1).
About this color
#559698 is a medium-light, muted teal or cyan. In OKLCH its lightness is 63%, its chroma 0.067 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.025 away. Black text reads best on it, at 6.20:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.20:1 |
| White text | 3.38:1 |
Values
| HEX | #559698 |
| RGB | rgb(85, 150, 152) |
| HSL | hsl(182, 28%, 46%) |
| OKLCH | oklch(63.1% 0.067 198.2) |
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 #559698 | 3.38:1 | AA large text | Lc -66.7 | Content text, not long reading |
| Black text on #559698 | 6.20:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #559698 text on white | 3.38:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #559698 text on black | 6.20:1 | AA | Lc -40.5 | 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
#CCDDDD
oklch(88.5% 0.018 196.8)
-
Step 300
300
#A9C7C8
oklch(80.8% 0.032 199)
-
Step 400
400
#7AABAC
oklch(70.7% 0.052 197.6)
-
Step 500
500 (this color)
#559698
oklch(63.1% 0.067 198.2)
-
Step 600
600
#378083
oklch(55.5% 0.072 199)
-
Step 700
700
#286C6F
oklch(49% 0.067 199.3)
-
Step 800
800
#23585A
oklch(42.6% 0.056 198.7)
-
Step 900
900
#23494A
oklch(37.8% 0.043 197.7)
-
Step 950
950
#152B2B
oklch(27.1% 0.028 195.6)
#559698 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) | #8E9198 | 0.069 |
| Deuteranopia (no green cones) | #828898 | 0.063 |
| Tritanopia (no blue cones) | #349A96 | 0.027 |
| Achromatopsia (no color) | #8B8B8B | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559698
#559698
oklch(63.1% 0.067 198.2)
- #AE797A
#AE797A
oklch(63% 0.067 17.9)
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 #559698, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.025
- Cadet Blue #5F9EA0 ΔE 0.027
- Grey Teal #5E9B8A ΔE 0.031
- Dusty Teal #4C9085 ΔE 0.032
- Dull Teal #5F9E8F ΔE 0.033
- Persian Green #2A9D8F ΔE 0.041
- Teal Green #0A9396 ΔE 0.044
- Blue Green #0F9B8E ΔE 0.047
Use #559698 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.