#559696
Closest named color: Sea (#3C9992). oklch(63% 0.067 195.6), rgb(85, 150, 150).
Aa
Black text reads best on this color (6.18:1).
About this color
#559696 is a medium-light, muted teal or cyan. In OKLCH its lightness is 63%, its chroma 0.067 and its hue 196°. 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 6.18:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.18:1 |
| White text | 3.39:1 |
Values
| HEX | #559696 |
| RGB | rgb(85, 150, 150) |
| HSL | hsl(180, 28%, 46%) |
| OKLCH | oklch(63% 0.067 195.6) |
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 #559696 | 3.39:1 | AA large text | Lc -66.8 | Content text, not long reading |
| Black text on #559696 | 6.18:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #559696 text on white | 3.39:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #559696 text on black | 6.18:1 | AA | Lc -40.4 | 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
#A9C8C7
oklch(81% 0.033 194.1)
-
Step 400
400
#7AABAB
oklch(70.7% 0.052 196)
-
Step 500
500 (this color)
#559696
oklch(63% 0.067 195.6)
-
Step 600
600
#378181
oklch(55.7% 0.073 195.3)
-
Step 700
700
#296D6D
oklch(49.2% 0.068 195.2)
-
Step 800
800
#235959
oklch(42.8% 0.057 195.2)
-
Step 900
900
#234949
oklch(37.8% 0.043 195.5)
-
Step 950
950
#152B2B
oklch(27.1% 0.028 195.6)
#559696 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) | #8E9096 | 0.069 |
| Deuteranopia (no green cones) | #838897 | 0.065 |
| Tritanopia (no blue cones) | #359A96 | 0.026 |
| Achromatopsia (no color) | #8B8B8B | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #559696
#559696
oklch(63% 0.067 195.6)
- #AE797C
#AE797C
oklch(63.1% 0.067 15.4)
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 #559696, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.023
- Cadet Blue #5F9EA0 ΔE 0.028
- Grey Teal #5E9B8A ΔE 0.028
- Dusty Teal #4C9085 ΔE 0.030
- Dull Teal #5F9E8F ΔE 0.031
- Persian Green #2A9D8F ΔE 0.039
- Teal Green #0A9396 ΔE 0.044
- Blue Green #0F9B8E ΔE 0.045
Use #559696 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.