#538F4E
Closest named color: Light Forest Green (#4F9153). oklch(59.3% 0.114 142.4), rgb(83, 143, 78).
Aa
Black text reads best on this color (5.40:1).
About this color
#538F4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.114 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.007 away. Black text reads best on it, at 5.40:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.40:1 |
| White text | 3.88:1 |
Values
| HEX | #538F4E |
| RGB | rgb(83, 143, 78) |
| HSL | hsl(115, 29%, 43%) |
| OKLCH | oklch(59.3% 0.114 142.4) |
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 #538F4E | 3.88:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #538F4E | 5.40:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #538F4E text on white | 3.88:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #538F4E text on black | 5.40:1 | AA | Lc -35.5 | 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
#CFDECD
oklch(88.5% 0.028 142)
-
Step 300
300
#AECAAB
oklch(81% 0.052 142.5)
-
Step 400
400
#83AE7F
oklch(70.7% 0.082 142.5)
-
Step 500
500
#639A5E
oklch(63.2% 0.105 142.3)
-
Step 600
600 (this color)
#538F4E
oklch(59.3% 0.114 142.4)
-
Step 700
700
#397035
oklch(49.2% 0.107 142.4)
-
Step 800
800
#305B2C
oklch(42.7% 0.089 142.1)
-
Step 900
900
#2B4B28
oklch(37.8% 0.069 142.2)
-
Step 950
950
#192C18
oklch(27% 0.044 143.1)
#538F4E 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) | #928549 | 0.084 |
| Deuteranopia (no green cones) | #897F52 | 0.083 |
| Tritanopia (no blue cones) | #4D8B7F | 0.074 |
| Achromatopsia (no color) | #818181 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #538F4E
#538F4E
oklch(59.3% 0.114 142.4)
- #9E66A6
#9E66A6
oklch(59.4% 0.114 322.4)
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 #538F4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.007
- Fern Green #548D44 ΔE 0.011
- Moss Green #658B38 ΔE 0.026
- Sea Green #2E8B57 ΔE 0.035
- Dark Sage #598556 ΔE 0.035
- Mossy Green #638B27 ΔE 0.036
- Swamp #698339 ΔE 0.039
- Khaki Green #728639 ΔE 0.040
Use #538F4E 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.