#538E56
Closest named color: Light Forest Green (#4F9153). oklch(59.1% 0.104 145.2), rgb(83, 142, 86).
Aa
Black text reads best on this color (5.37:1).
About this color
#538E56 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.104 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.012 away. Black text reads best on it, at 5.37:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #538E56 |
| RGB | rgb(83, 142, 86) |
| HSL | hsl(123, 26%, 44%) |
| OKLCH | oklch(59.1% 0.104 145.2) |
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 #538E56 | 3.90:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #538E56 | 5.37:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #538E56 text on white | 3.90:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #538E56 text on black | 5.37:1 | AA | Lc -35.3 | 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
#E4ECE4
oklch(93.5% 0.014 145.5)
-
Step 200
200
#CFDECF
oklch(88.5% 0.026 145.4)
-
Step 300
300
#AEC9AE
oklch(80.8% 0.047 145.1)
-
Step 400
400
#83AD84
oklch(70.6% 0.074 145.3)
-
Step 500
500
#639965
oklch(63.1% 0.096 145.2)
-
Step 600
600 (this color)
#538E56
oklch(59.1% 0.104 145.2)
-
Step 700
700
#396F3D
oklch(49.1% 0.097 145.5)
-
Step 800
800
#305A33
oklch(42.6% 0.079 145.6)
-
Step 900
900
#2B4A2C
oklch(37.6% 0.062 144.9)
-
Step 950
950
#1A2C1A
oklch(27.1% 0.04 144.4)
#538E56 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) | #908452 | 0.081 |
| Deuteranopia (no green cones) | #877F59 | 0.079 |
| Tritanopia (no blue cones) | #4B8B80 | 0.064 |
| Achromatopsia (no color) | #818181 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538E56
#538E56
oklch(59.1% 0.104 145.2)
- #9D67A0
#9D67A0
oklch(59.2% 0.105 325)
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 #538E56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.012
- Fern Green #548D44 ΔE 0.021
- Dark Sage #598556 ΔE 0.027
- Sea Green #2E8B57 ΔE 0.033
- Moss Green #658B38 ΔE 0.034
- Viridian #1E9167 ΔE 0.037
- Swamp #698339 ΔE 0.040
- Slate Green #658D6D ΔE 0.042
Use #538E56 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.