#528B4D
Closest named color: Fern Green (#548D44). oklch(58.1% 0.11 142.3), rgb(82, 139, 77).
Aa
Black text reads best on this color (5.15:1).
About this color
#528B4D is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.110 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.014 away. Black text reads best on it, at 5.15:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #528B4D |
| RGB | rgb(82, 139, 77) |
| HSL | hsl(115, 29%, 42%) |
| OKLCH | oklch(58.1% 0.11 142.3) |
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 #528B4D | 4.07:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #528B4D | 5.15:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #528B4D text on white | 4.07:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #528B4D text on black | 5.15:1 | AA | Lc -33.9 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E5ECE4
oklch(93.6% 0.013 141.8)
-
Step 200
200
#CFDECD
oklch(88.5% 0.028 142)
-
Step 300
300
#AFC9AC
oklch(80.8% 0.049 142.3)
-
Step 400
400
#84AE80
oklch(70.8% 0.08 142.5)
-
Step 500
500
#659960
oklch(63.1% 0.1 142.3)
-
Step 600
600 (this color)
#528B4D
oklch(58.1% 0.11 142.3)
-
Step 700
700
#3B6F37
oklch(49.1% 0.102 142.4)
-
Step 800
800
#325A2E
oklch(42.6% 0.083 142)
-
Step 900
900
#2C4A29
oklch(37.6% 0.065 142.1)
-
Step 950
950
#1A2C18
oklch(27.1% 0.043 142)
#528B4D 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) | #8E8148 | 0.081 |
| Deuteranopia (no green cones) | #857C51 | 0.079 |
| Tritanopia (no blue cones) | #4C887C | 0.070 |
| Achromatopsia (no color) | #7E7E7E | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528B4D
#528B4D
oklch(58.1% 0.11 142.3)
- #9963A1
#9963A1
oklch(58.1% 0.111 322.2)
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 #528B4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.014
- Light Forest Green #4F9153 ΔE 0.017
- Dark Sage #598556 ΔE 0.026
- Moss Green #658B38 ΔE 0.028
- Sea Green #2E8B57 ΔE 0.030
- Swamp #698339 ΔE 0.033
- Mossy Green #638B27 ΔE 0.038
- Khaki Green #728639 ΔE 0.039
Use #528B4D 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.