#528A50
Closest named color: Fern Green (#548D44). oklch(57.9% 0.105 143.3), rgb(82, 138, 80).
Aa
Black text reads best on this color (5.10:1).
About this color
#528A50 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.105 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.019 away. Black text reads best on it, at 5.10:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.10:1 |
| White text | 4.10:1 |
Values
| HEX | #528A50 |
| RGB | rgb(82, 138, 80) |
| HSL | hsl(118, 27%, 43%) |
| OKLCH | oklch(57.9% 0.105 143.3) |
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 #528A50 | 4.10:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #528A50 | 5.10:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #528A50 text on white | 4.10:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #528A50 text on black | 5.10:1 | AA | Lc -33.6 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E5ECE4
oklch(93.6% 0.013 141.8)
-
Step 200
200
#CFDECE
oklch(88.5% 0.027 143.6)
-
Step 300
300
#AFC9AD
oklch(80.9% 0.048 143.2)
-
Step 400
400
#85AD82
oklch(70.7% 0.075 143)
-
Step 500
500
#659963
oklch(63.2% 0.097 143.5)
-
Step 600
600 (this color)
#528A50
oklch(57.9% 0.105 143.3)
-
Step 700
700
#3C6F3A
oklch(49.2% 0.099 143.1)
-
Step 800
800
#325A31
oklch(42.7% 0.08 143.5)
-
Step 900
900
#2C4A2B
oklch(37.6% 0.063 143.5)
-
Step 950
950
#1A2B1A
oklch(26.8% 0.038 144.4)
#528A50 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) | #8C804C | 0.079 |
| Deuteranopia (no green cones) | #847B54 | 0.078 |
| Tritanopia (no blue cones) | #4C877C | 0.066 |
| Achromatopsia (no color) | #7D7D7D | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528A50
#528A50
oklch(57.9% 0.105 143.3)
- #98649E
#98649E
oklch(58% 0.105 323.1)
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 #528A50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.019
- Light Forest Green #4F9153 ΔE 0.020
- Dark Sage #598556 ΔE 0.021
- Sea Green #2E8B57 ΔE 0.029
- Moss Green #658B38 ΔE 0.032
- Swamp #698339 ΔE 0.033
- Khaki Green #728639 ΔE 0.040
- Viridian #1E9167 ΔE 0.040
Use #528A50 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.