#558F4F
Closest named color: Light Forest Green (#4F9153). oklch(59.4% 0.112 142), rgb(85, 143, 79).
Aa
Black text reads best on this color (5.42:1).
About this color
#558F4F is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.112 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 5.42:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.42:1 |
| White text | 3.86:1 |
Values
| HEX | #558F4F |
| RGB | rgb(85, 143, 79) |
| HSL | hsl(114, 29%, 44%) |
| OKLCH | oklch(59.4% 0.112 142) |
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 #558F4F | 3.86:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #558F4F | 5.42:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #558F4F text on white | 3.86:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #558F4F text on black | 5.42:1 | AA | Lc -35.7 | 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 500.
-
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
#CEDFCC
oklch(88.6% 0.031 142.3)
-
Step 300
300
#ADCAAA
oklch(80.9% 0.054 142.5)
-
Step 400
400
#81AF7C
oklch(70.7% 0.088 142.2)
-
Step 500
500 (this color)
#558F4F
oklch(59.4% 0.112 142)
-
Step 600
600
#45853F
oklch(55.7% 0.122 142.1)
-
Step 700
700
#367031
oklch(49% 0.113 142.1)
-
Step 800
800
#2E5B29
oklch(42.6% 0.093 141.8)
-
Step 900
900
#294B26
oklch(37.6% 0.073 142.3)
-
Step 950
950
#192C17
oklch(27% 0.045 142.1)
#558F4F 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) | #92854A | 0.082 |
| Deuteranopia (no green cones) | #897F53 | 0.081 |
| Tritanopia (no blue cones) | #4F8B80 | 0.074 |
| Achromatopsia (no color) | #828282 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558F4F
#558F4F
oklch(59.4% 0.112 142)
- #9D67A6
#9D67A6
oklch(59.4% 0.111 321.7)
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 #558F4F, 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 0.013
- Moss Green #658B38 ΔE 0.026
- Dark Sage #598556 ΔE 0.034
- Sea Green #2E8B57 ΔE 0.037
- Mossy Green #638B27 ΔE 0.037
- Swamp #698339 ΔE 0.038
- Khaki Green #728639 ΔE 0.039
Use #558F4F 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.