#579B82
Closest named color: Grey Teal (#5E9B8A). oklch(63.7% 0.08 168), rgb(87, 155, 130).
Aa
Black text reads best on this color (6.41:1).
About this color
#579B82 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.080 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.015 away. Black text reads best on it, at 6.41:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.41:1 |
| White text | 3.27:1 |
Values
| HEX | #579B82 |
| RGB | rgb(87, 155, 130) |
| HSL | hsl(158, 28%, 47%) |
| OKLCH | oklch(63.7% 0.08 168) |
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 #579B82 | 3.27:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #579B82 | 6.41:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #579B82 text on white | 3.27:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #579B82 text on black | 6.41:1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED6
oklch(88.5% 0.022 167.4)
-
Step 300
300
#A9C9BC
oklch(80.9% 0.039 168.8)
-
Step 400
400
#7AAE99
oklch(70.8% 0.063 167.5)
-
Step 500
500 (this color)
#579B82
oklch(63.7% 0.08 168)
-
Step 600
600
#37846A
oklch(55.7% 0.087 168.1)
-
Step 700
700
#286F58
oklch(49% 0.08 168.4)
-
Step 800
800
#235B48
oklch(42.8% 0.067 167.9)
-
Step 900
900
#234A3C
oklch(37.6% 0.051 168)
-
Step 950
950
#152C23
oklch(27.1% 0.034 166.7)
#579B82 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) | #989381 | 0.081 |
| Deuteranopia (no green cones) | #8D8B84 | 0.078 |
| Tritanopia (no blue cones) | #429C94 | 0.029 |
| Achromatopsia (no color) | #8E8E8E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #579B82
#579B82
oklch(63.7% 0.08 168)
- #B07794
#B07794
oklch(63.7% 0.081 347.8)
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 #579B82, 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 0.022
- Sea #3C9992 ΔE 0.032
- Persian Green #2A9D8F ΔE 0.033
- Ocean Green #3D9973 ΔE 0.033
- Dusty Teal #4C9085 ΔE 0.038
- Green Grey #77926F ΔE 0.041
- Blue Green #0F9B8E ΔE 0.041
Use #579B82 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.