#528F57
Closest named color: Light Forest Green (#4F9153). oklch(59.4% 0.105 145.9), rgb(82, 143, 87).
Aa
Black text reads best on this color (5.42:1).
About this color
#528F57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.105 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.010 away. Black text reads best on it, at 5.42:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.42:1 |
| White text | 3.87:1 |
Values
| HEX | #528F57 |
| RGB | rgb(82, 143, 87) |
| HSL | hsl(125, 27%, 44%) |
| OKLCH | oklch(59.4% 0.105 145.9) |
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 #528F57 | 3.87:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #528F57 | 5.42:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #528F57 text on white | 3.87:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #528F57 text on black | 5.42:1 | AA | Lc -35.6 | 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 500.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CEDFCE
oklch(88.6% 0.029 145.3)
-
Step 300
300
#ACCAAD
oklch(80.9% 0.052 146)
-
Step 400
400
#7FAF82
oklch(70.8% 0.083 146.2)
-
Step 500
500 (this color)
#528F57
oklch(59.4% 0.105 145.9)
-
Step 600
600
#418548
oklch(55.6% 0.115 145.9)
-
Step 700
700
#337039
oklch(49% 0.106 145.7)
-
Step 800
800
#2B5C30
oklch(42.8% 0.089 145.9)
-
Step 900
900
#284B2B
oklch(37.7% 0.068 146)
-
Step 950
950
#182C19
oklch(27% 0.043 145.4)
#528F57 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) | #918553 | 0.083 |
| Deuteranopia (no green cones) | #887F5A | 0.082 |
| Tritanopia (no blue cones) | #4A8C81 | 0.064 |
| Achromatopsia (no color) | #818181 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528F57
#528F57
oklch(59.4% 0.105 145.9)
- #9F67A0
#9F67A0
oklch(59.4% 0.106 326.2)
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 #528F57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.010
- Fern Green #548D44 ΔE 0.022
- Dark Sage #598556 ΔE 0.030
- Sea Green #2E8B57 ΔE 0.033
- Moss Green #658B38 ΔE 0.035
- Viridian #1E9167 ΔE 0.036
- Ocean Green #3D9973 ΔE 0.039
- Slate Green #658D6D ΔE 0.042
Use #528F57 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.