#538E54
Closest named color: Light Forest Green (#4F9153). oklch(59.1% 0.106 144.4), rgb(83, 142, 84).
Aa
Black text reads best on this color (5.36:1).
About this color
#538E54 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.106 and its hue 144°. 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 5.36:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #538E54 |
| RGB | rgb(83, 142, 84) |
| HSL | hsl(121, 26%, 44%) |
| OKLCH | oklch(59.1% 0.106 144.4) |
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 #538E54 | 3.91:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #538E54 | 5.36:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #538E54 text on white | 3.91:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #538E54 text on black | 5.36:1 | AA | Lc -35.2 | 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
#CFDECE
oklch(88.5% 0.027 143.6)
-
Step 300
300
#AEC9AE
oklch(80.8% 0.047 145.1)
-
Step 400
400
#83AE83
oklch(70.8% 0.077 144.7)
-
Step 500
500
#639963
oklch(63.1% 0.098 144.3)
-
Step 600
600 (this color)
#538E54
oklch(59.1% 0.106 144.4)
-
Step 700
700
#3A6F3B
oklch(49.1% 0.099 144.3)
-
Step 800
800
#305B31
oklch(42.8% 0.083 144.4)
-
Step 900
900
#2B4A2B
oklch(37.6% 0.064 144.2)
-
Step 950
950
#1A2C1A
oklch(27.1% 0.04 144.4)
#538E54 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) | #908450 | 0.081 |
| Deuteranopia (no green cones) | #887E58 | 0.082 |
| Tritanopia (no blue cones) | #4C8B80 | 0.066 |
| Achromatopsia (no color) | #818181 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538E54
#538E54
oklch(59.1% 0.106 144.4)
- #9D67A1
#9D67A1
oklch(59.2% 0.106 324.4)
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 #538E54, 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 0.019
- Dark Sage #598556 ΔE 0.028
- Moss Green #658B38 ΔE 0.032
- Sea Green #2E8B57 ΔE 0.033
- Viridian #1E9167 ΔE 0.038
- Swamp #698339 ΔE 0.039
- Khaki Green #728639 ΔE 0.042
Use #538E54 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.