#528E28
Closest named color: Sap Green (#5C8B15). oklch(58.5% 0.147 135.1), rgb(82, 142, 40).
Aa
Black text reads best on this color (5.25:1).
About this color
#528E28 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.147 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.013 away. Black text reads best on it, at 5.25:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #528E28 |
| RGB | rgb(82, 142, 40) |
| HSL | hsl(95, 56%, 36%) |
| OKLCH | oklch(58.5% 0.147 135.1) |
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 #528E28 | 3.99:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #528E28 | 5.25:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #528E28 text on white | 3.99:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #528E28 text on black | 5.25:1 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CFDFC7
oklch(88.5% 0.037 135)
-
Step 300
300
#AECBA0
oklch(80.9% 0.067 135.5)
-
Step 400
400
#83B06B
oklch(70.8% 0.107 135.3)
-
Step 500
500
#649B41
oklch(63.1% 0.136 134.9)
-
Step 600
600 (this color)
#528E28
oklch(58.5% 0.147 135.1)
-
Step 700
700
#3B710D
oklch(49.2% 0.137 135.1)
-
Step 800
800
#315C11
oklch(42.7% 0.113 135.2)
-
Step 900
900
#2B4C17
oklch(37.8% 0.089 135.6)
-
Step 950
950
#1A2C0F
oklch(26.9% 0.055 135)
#528E28 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) | #938218 | 0.088 |
| Deuteranopia (no green cones) | #8B7D31 | 0.090 |
| Tritanopia (no blue cones) | #51897A | 0.107 |
| Achromatopsia (no color) | #7F7F7F | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528E28
#528E28
oklch(58.5% 0.147 135.1)
- #9C5DB7
#9C5DB7
oklch(58.5% 0.147 315)
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 #528E28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.013
- Mossy Green #638B27 ΔE 0.020
- Fern Green #548D44 ΔE 0.028
- Olive Drab #6B8E23 ΔE 0.028
- Moss Green #658B38 ΔE 0.030
- Dark Yellow Green #728F02 ΔE 0.038
- Forest Green #228B22 ΔE 0.040
- Kelley Green #009337 ΔE 0.041
Use #528E28 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.