#528C69
Closest named color: Slate Green (#658D6D). oklch(59% 0.082 156.3), rgb(82, 140, 105).
Aa
Black text reads best on this color (5.31:1).
About this color
#528C69 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.082 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.023 away. Black text reads best on it, at 5.31:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.31:1 |
| White text | 3.95:1 |
Values
| HEX | #528C69 |
| RGB | rgb(82, 140, 105) |
| HSL | hsl(144, 26%, 44%) |
| OKLCH | oklch(59% 0.082 156.3) |
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 #528C69 | 3.95:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #528C69 | 5.31:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #528C69 text on white | 3.95:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #528C69 text on black | 5.31:1 | AA | Lc -34.9 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CFDDD4
oklch(88.4% 0.019 157.8)
-
Step 300
300
#AEC8B7
oklch(80.9% 0.037 156.8)
-
Step 400
400
#83AC92
oklch(70.7% 0.058 156.7)
-
Step 500
500
#629777
oklch(63% 0.075 157)
-
Step 600
600 (this color)
#528C69
oklch(59% 0.082 156.3)
-
Step 700
700
#396E4F
oklch(49.2% 0.076 156.5)
-
Step 800
800
#305941
oklch(42.6% 0.062 156.8)
-
Step 900
900
#2B4937
oklch(37.6% 0.048 156.9)
-
Step 950
950
#192B20
oklch(26.9% 0.032 156.7)
#528C69 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) | #8B8467 | 0.074 |
| Deuteranopia (no green cones) | #827D6B | 0.073 |
| Tritanopia (no blue cones) | #468B82 | 0.039 |
| Achromatopsia (no color) | #808080 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528C69
#528C69
oklch(59% 0.082 156.3)
- #9C6A90
#9C6A90
oklch(58.9% 0.082 335.6)
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 #528C69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.023
- Dark Sage #598556 ΔE 0.027
- Ocean Green #3D9973 ΔE 0.038
- Viridian #1E9167 ΔE 0.038
- Light Forest Green #4F9153 ΔE 0.038
- Dusty Teal #4C9085 ΔE 0.039
- Sea Green #2E8B57 ΔE 0.043
- Fern Green #548D44 ΔE 0.049
Use #528C69 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.