#538E48
Closest named color: Fern Green (#548D44). oklch(58.9% 0.119 140.6), rgb(83, 142, 72).
Aa
Black text reads best on this color (5.33:1).
About this color
#538E48 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.119 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.004 away. Black text reads best on it, at 5.33:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #538E48 |
| RGB | rgb(83, 142, 72) |
| HSL | hsl(111, 33%, 42%) |
| OKLCH | oklch(58.9% 0.119 140.6) |
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 #538E48 | 3.93:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #538E48 | 5.33:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #538E48 text on white | 3.93:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #538E48 text on black | 5.33:1 | AA | Lc -35.0 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CFDECC
oklch(88.4% 0.029 140.5)
-
Step 300
300
#AFCAA9
oklch(81% 0.054 140)
-
Step 400
400
#83AE7B
oklch(70.6% 0.086 140.6)
-
Step 500
500
#639A59
oklch(63.1% 0.111 140.7)
-
Step 600
600 (this color)
#538E48
oklch(58.9% 0.119 140.6)
-
Step 700
700
#3A7030
oklch(49.2% 0.112 140.6)
-
Step 800
800
#315B29
oklch(42.7% 0.091 140.5)
-
Step 900
900
#2B4B26
oklch(37.8% 0.071 141.1)
-
Step 950
950
#1A2C16
oklch(27% 0.046 140)
#538E48 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) | #918442 | 0.083 |
| Deuteranopia (no green cones) | #897E4D | 0.084 |
| Tritanopia (no blue cones) | #4E8A7E | 0.080 |
| Achromatopsia (no color) | #808080 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538E48
#538E48
oklch(58.9% 0.119 140.6)
- #9C64A8
#9C64A8
oklch(58.9% 0.118 320.4)
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 #538E48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.004
- Light Forest Green #4F9153 ΔE 0.013
- Moss Green #658B38 ΔE 0.022
- Mossy Green #638B27 ΔE 0.030
- Swamp #698339 ΔE 0.036
- Sea Green #2E8B57 ΔE 0.036
- Dark Sage #598556 ΔE 0.038
- Olive Drab #6B8E23 ΔE 0.038
Use #538E48 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.