#528503
Closest named color: Sap Green (#5C8B15). oklch(55.9% 0.152 131.4), rgb(82, 133, 3).
Aa
Black text reads best on this color (4.71:1).
About this color
#528503 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.152 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.023 away. Black text reads best on it, at 4.71:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #528503 |
| RGB | rgb(82, 133, 3) |
| HSL | hsl(84, 96%, 27%) |
| OKLCH | oklch(55.9% 0.152 131.4) |
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 #528503 | 4.45:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #528503 | 4.71:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #528503 text on white | 4.45:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #528503 text on black | 4.71:1 | AA | Lc -31.0 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E5EDDF
oklch(93.6% 0.02 131.5)
-
Step 200
200
#D0DFC5
oklch(88.5% 0.039 131.9)
-
Step 300
300
#B1CA9C
oklch(80.8% 0.068 131)
-
Step 400
400
#88AF65
oklch(70.8% 0.11 131.4)
-
Step 500
500
#6A9A36
oklch(63.1% 0.14 131.2)
-
Step 600
600 (this color)
#528503
oklch(55.9% 0.152 131.4)
-
Step 700
700
#436F00
oklch(49% 0.135 131.5)
-
Step 800
800
#365B00
oklch(42.7% 0.117 131.5)
-
Step 900
900
#2F4B0F
oklch(37.7% 0.092 131.5)
-
Step 950
950
#1C2C0B
oklch(27% 0.058 131.2)
#528503 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) | #8B7A00 | 0.083 |
| Deuteranopia (no green cones) | #857619 | 0.083 |
| Tritanopia (no blue cones) | #547F70 | 0.116 |
| Achromatopsia (no color) | #777777 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528503
#528503
oklch(55.9% 0.152 131.4)
- #9155B4
#9155B4
oklch(55.8% 0.153 311.6)
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 #528503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.023
- Dark Grass Green #388004 ΔE 0.032
- Mossy Green #638B27 ΔE 0.034
- Forest Green #228B22 ΔE 0.036
- Olive Green #677A04 ΔE 0.040
- Swamp Green #748500 ΔE 0.044
- Tree Green #2A7E19 ΔE 0.044
- Moss Green #658B38 ΔE 0.045
Use #528503 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.