#538C50
Closest named color: Light Forest Green (#4F9153). oklch(58.5% 0.108 143), rgb(83, 140, 80).
Aa
Black text reads best on this color (5.23:1).
About this color
#538C50 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.108 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.014 away. Black text reads best on it, at 5.23:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.23:1 |
| White text | 4.01:1 |
Values
| HEX | #538C50 |
| RGB | rgb(83, 140, 80) |
| HSL | hsl(117, 27%, 43%) |
| OKLCH | oklch(58.5% 0.108 143) |
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 #538C50 | 4.01:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #538C50 | 5.23:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #538C50 text on white | 4.01:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #538C50 text on black | 5.23:1 | AA | Lc -34.4 | 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
#E5ECE4
oklch(93.6% 0.013 141.8)
-
Step 200
200
#CFDECE
oklch(88.5% 0.027 143.6)
-
Step 300
300
#AFC9AD
oklch(80.9% 0.048 143.2)
-
Step 400
400
#84AD81
oklch(70.6% 0.077 143)
-
Step 500
500
#649961
oklch(63.1% 0.1 143.1)
-
Step 600
600 (this color)
#538C50
oklch(58.5% 0.108 143)
-
Step 700
700
#3B6F39
oklch(49.1% 0.1 143.1)
-
Step 800
800
#315A2F
oklch(42.6% 0.083 143)
-
Step 900
900
#2C4A2A
oklch(37.6% 0.064 142.8)
-
Step 950
950
#1A2C19
oklch(27.1% 0.042 143.1)
#538C50 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) | #8F824C | 0.081 |
| Deuteranopia (no green cones) | #867D54 | 0.079 |
| Tritanopia (no blue cones) | #4D897D | 0.067 |
| Achromatopsia (no color) | #7F7F7F | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538C50
#538C50
oklch(58.5% 0.108 143)
- #9A65A1
#9A65A1
oklch(58.5% 0.108 322.7)
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 #538C50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.014
- Fern Green #548D44 ΔE 0.016
- Dark Sage #598556 ΔE 0.026
- Moss Green #658B38 ΔE 0.029
- Sea Green #2E8B57 ΔE 0.031
- Swamp #698339 ΔE 0.034
- Khaki Green #728639 ΔE 0.039
- Viridian #1E9167 ΔE 0.040
Use #538C50 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.