#528D4B
Closest named color: Fern Green (#548D44). oklch(58.6% 0.115 141.7), rgb(82, 141, 75).
Aa
Black text reads best on this color (5.27:1).
About this color
#528D4B is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.115 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 0.008 away. Black text reads best on it, at 5.27:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Values
| HEX | #528D4B |
| RGB | rgb(82, 141, 75) |
| HSL | hsl(114, 31%, 42%) |
| OKLCH | oklch(58.6% 0.115 141.7) |
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 #528D4B | 3.98:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #528D4B | 5.27:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #528D4B text on white | 3.98:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #528D4B text on black | 5.27:1 | AA | Lc -34.6 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CFDECD
oklch(88.5% 0.028 142)
-
Step 300
300
#AECAAB
oklch(81% 0.052 142.5)
-
Step 400
400
#83AE7E
oklch(70.7% 0.083 142)
-
Step 500
500
#639A5D
oklch(63.2% 0.106 142)
-
Step 600
600 (this color)
#528D4B
oklch(58.6% 0.115 141.7)
-
Step 700
700
#3A6F34
oklch(49% 0.106 141.7)
-
Step 800
800
#305B2C
oklch(42.7% 0.089 142.1)
-
Step 900
900
#2B4B27
oklch(37.8% 0.07 141.6)
-
Step 950
950
#1A2C17
oklch(27.1% 0.045 140.9)
#528D4B 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) | #908346 | 0.083 |
| Deuteranopia (no green cones) | #877D4F | 0.082 |
| Tritanopia (no blue cones) | #4C897D | 0.075 |
| Achromatopsia (no color) | #7F7F7F | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528D4B
#528D4B
oklch(58.6% 0.115 141.7)
- #9C64A5
#9C64A5
oklch(58.7% 0.115 321.9)
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 #528D4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.008
- Light Forest Green #4F9153 ΔE 0.012
- Moss Green #658B38 ΔE 0.025
- Sea Green #2E8B57 ΔE 0.032
- Dark Sage #598556 ΔE 0.033
- Mossy Green #638B27 ΔE 0.034
- Swamp #698339 ΔE 0.035
- Khaki Green #728639 ΔE 0.039
Use #528D4B 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.