#528A45
Closest named color: Fern Green (#548D44). oklch(57.8% 0.117 139.8), rgb(82, 138, 69).
Aa
Black text reads best on this color (5.08:1).
About this color
#528A45 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.117 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.010 away. Black text reads best on it, at 5.08:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.08:1 |
| White text | 4.13:1 |
Values
| HEX | #528A45 |
| RGB | rgb(82, 138, 69) |
| HSL | hsl(109, 33%, 41%) |
| OKLCH | oklch(57.8% 0.117 139.8) |
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 #528A45 | 4.13:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #528A45 | 5.08:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #528A45 text on white | 4.13:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #528A45 text on black | 5.08:1 | AA | Lc -33.4 | 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
#E5ECE3
oklch(93.5% 0.014 138.7)
-
Step 200
200
#CFDECC
oklch(88.4% 0.029 140.5)
-
Step 300
300
#AFC9A9
oklch(80.8% 0.052 139.8)
-
Step 400
400
#85AE7C
oklch(70.8% 0.084 140)
-
Step 500
500
#65995A
oklch(63% 0.107 140.1)
-
Step 600
600 (this color)
#528A45
oklch(57.8% 0.117 139.8)
-
Step 700
700
#3D6F31
oklch(49.1% 0.107 139.8)
-
Step 800
800
#325B29
oklch(42.8% 0.091 140.1)
-
Step 900
900
#2D4A26
oklch(37.6% 0.068 139.7)
-
Step 950
950
#1A2C17
oklch(27.1% 0.045 140.9)
#528A45 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) | #8D803F | 0.080 |
| Deuteranopia (no green cones) | #857B4A | 0.080 |
| Tritanopia (no blue cones) | #4E867A | 0.078 |
| Achromatopsia (no color) | #7D7D7D | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528A45
#528A45
oklch(57.8% 0.117 139.8)
- #9861A4
#9861A4
oklch(57.7% 0.117 320.3)
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 #528A45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.010
- Light Forest Green #4F9153 ΔE 0.022
- Moss Green #658B38 ΔE 0.024
- Swamp #698339 ΔE 0.030
- Mossy Green #638B27 ΔE 0.032
- Dark Sage #598556 ΔE 0.032
- Sea Green #2E8B57 ΔE 0.032
- Khaki Green #728639 ΔE 0.038
Use #528A45 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.