#528F6F
Closest named color: Slate Green (#658D6D). oklch(59.9% 0.081 159.7), rgb(82, 143, 111).
Aa
Black text reads best on this color (5.51:1).
About this color
#528F6F is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.081 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.020 away. Black text reads best on it, at 5.51:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #528F6F |
| RGB | rgb(82, 143, 111) |
| HSL | hsl(149, 27%, 44%) |
| OKLCH | oklch(59.9% 0.081 159.7) |
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 #528F6F | 3.80:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #528F6F | 5.51:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #528F6F text on white | 3.80:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #528F6F text on black | 5.51:1 | 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
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#ACC9B8
oklch(81% 0.039 159.7)
-
Step 400
400
#7EAD93
oklch(70.6% 0.063 160)
-
Step 500
500 (this color)
#528F6F
oklch(59.9% 0.081 159.7)
-
Step 600
600
#3F8361
oklch(55.6% 0.088 159.8)
-
Step 700
700
#316F50
oklch(49.1% 0.082 159.4)
-
Step 800
800
#295A42
oklch(42.6% 0.067 160.3)
-
Step 900
900
#274A38
oklch(37.7% 0.052 160.1)
-
Step 950
950
#172C21
oklch(27.1% 0.034 160.1)
#528F6F 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) | #8E876D | 0.077 |
| Deuteranopia (no green cones) | #848071 | 0.074 |
| Tritanopia (no blue cones) | #438E86 | 0.036 |
| Achromatopsia (no color) | #838383 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528F6F
#528F6F
oklch(59.9% 0.081 159.7)
- #A16D8F
#A16D8F
oklch(60% 0.081 340.4)
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 #528F6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.020
- Ocean Green #3D9973 ΔE 0.031
- Dusty Teal #4C9085 ΔE 0.032
- Dark Sage #598556 ΔE 0.037
- Viridian #1E9167 ΔE 0.040
- Light Forest Green #4F9153 ΔE 0.042
- Green Grey #77926F ΔE 0.045
- Grey Teal #5E9B8A ΔE 0.049
Use #528F6F 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.