#558E77
Closest named color: Dusty Teal (#4C9085). oklch(60% 0.07 166.4), rgb(85, 142, 119).
Aa
Black text reads best on this color (5.52:1).
About this color
#558E77 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.070 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.020 away. Black text reads best on it, at 5.52:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.070) |
| Temperature | in between |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.52:1 |
| White text | 3.80:1 |
Values
| HEX | #558E77 |
| RGB | rgb(85, 142, 119) |
| HSL | hsl(156, 25%, 45%) |
| OKLCH | oklch(60% 0.07 166.4) |
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 #558E77 | 3.80:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #558E77 | 5.52:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #558E77 text on white | 3.80:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #558E77 text on black | 5.52:1 | AA | Lc -36.2 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD6
oklch(88.4% 0.019 166.3)
-
Step 300
300
#ADC8BC
oklch(80.9% 0.034 166.9)
-
Step 400
400
#80AC99
oklch(70.7% 0.055 166.4)
-
Step 500
500 (this color)
#558E77
oklch(60% 0.07 166.4)
-
Step 600
600
#438269
oklch(55.7% 0.077 165.8)
-
Step 700
700
#346E58
oklch(49.2% 0.071 166.4)
-
Step 800
800
#2C5948
oklch(42.6% 0.058 167)
-
Step 900
900
#28493C
oklch(37.6% 0.045 166.8)
-
Step 950
950
#182B23
oklch(27% 0.029 165.8)
#558E77 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) | #8C8776 | 0.071 |
| Deuteranopia (no green cones) | #828078 | 0.067 |
| Tritanopia (no blue cones) | #458E87 | 0.026 |
| Achromatopsia (no color) | #838383 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558E77
#558E77
oklch(60% 0.07 166.4)
- #A06F89
#A06F89
oklch(60% 0.071 346.4)
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 #558E77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.020
- Slate Green #658D6D ΔE 0.020
- Ocean Green #3D9973 ΔE 0.039
- Sea #3C9992 ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.043
- Green Grey #77926F ΔE 0.044
- Dark Sage #598556 ΔE 0.045
- Persian Green #2A9D8F ΔE 0.050
Use #558E77 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.