#578978
Closest named color: Dusty Teal (#4C9085). oklch(58.9% 0.06 170.7), rgb(87, 137, 120).
Aa
Black text reads best on this color (5.25:1).
About this color
#578978 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.060 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.024 away. Black text reads best on it, at 5.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #578978 |
| RGB | rgb(87, 137, 120) |
| HSL | hsl(160, 22%, 44%) |
| OKLCH | oklch(58.9% 0.06 170.7) |
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 #578978 | 3.99:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #578978 | 5.25:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #578978 text on white | 3.99:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #578978 text on black | 5.25:1 | AA | Lc -34.5 | 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 600.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#D0DCD8
oklch(88.4% 0.014 174.1)
-
Step 300
300
#B0C7BE
oklch(81% 0.028 170.1)
-
Step 400
400
#86AA9D
oklch(70.7% 0.044 171)
-
Step 500
500
#679585
oklch(63.2% 0.056 170.8)
-
Step 600
600 (this color)
#578978
oklch(58.9% 0.06 170.7)
-
Step 700
700
#3E6B5C
oklch(49% 0.056 170.6)
-
Step 800
800
#33574B
oklch(42.6% 0.047 170.8)
-
Step 900
900
#2D483F
oklch(37.7% 0.036 171.3)
-
Step 950
950
#1B2A25
oklch(27% 0.022 171.9)
#578978 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) | #868377 | 0.062 |
| Deuteranopia (no green cones) | #7E7D79 | 0.059 |
| Tritanopia (no blue cones) | #498A84 | 0.020 |
| Achromatopsia (no color) | #7F7F7F | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578978
#578978
oklch(58.9% 0.06 170.7)
- #996E82
#996E82
oklch(58.8% 0.061 349.6)
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 #578978, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.024
- Slate Green #658D6D ΔE 0.028
- Dark Sage #598556 ΔE 0.046
- Steel Grey #6F828A ΔE 0.050
- Sea #3C9992 ΔE 0.051
- Dark Cyan #008B8B ΔE 0.051
- Green Grey #77926F ΔE 0.052
- Ocean Green #3D9973 ΔE 0.054
Use #578978 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.