#558733
Closest named color: Fern Green (#548D44). oklch(56.9% 0.128 134.6), rgb(85, 135, 51).
Aa
Black text reads best on this color (4.89:1).
About this color
#558733 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.128 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.021 away. Black text reads best on it, at 4.89:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 4.89:1 |
| White text | 4.28:1 |
Values
| HEX | #558733 |
| RGB | rgb(85, 135, 51) |
| HSL | hsl(96, 45%, 36%) |
| OKLCH | oklch(56.9% 0.128 134.6) |
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 #558733 | 4.28:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #558733 | 4.89:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #558733 text on white | 4.28:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #558733 text on black | 4.89:1 | AA | Lc -32.2 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5ECE1
oklch(93.5% 0.016 133.8)
-
Step 200
200
#D0DEC9
oklch(88.4% 0.032 135)
-
Step 300
300
#B1C9A4
oklch(80.8% 0.057 134.6)
-
Step 400
400
#88AE73
oklch(70.8% 0.092 134.9)
-
Step 500
500
#6A994D
oklch(63.1% 0.118 134.7)
-
Step 600
600 (this color)
#558733
oklch(56.9% 0.128 134.6)
-
Step 700
700
#426F21
oklch(49.2% 0.119 134.5)
-
Step 800
800
#365A1E
oklch(42.6% 0.098 134.9)
-
Step 900
900
#2F4A1E
oklch(37.6% 0.076 134.8)
-
Step 950
950
#1C2C12
oklch(27.1% 0.05 134.6)
#558733 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) | #8C7D2A | 0.077 |
| Deuteranopia (no green cones) | #857939 | 0.077 |
| Tritanopia (no blue cones) | #548275 | 0.093 |
| Achromatopsia (no color) | #7A7A7A | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #558733
#558733
oklch(56.9% 0.128 134.6)
- #935EAB
#935EAB
oklch(57% 0.128 314.6)
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 #558733, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.021
- Mossy Green #638B27 ΔE 0.023
- Moss Green #658B38 ΔE 0.024
- Sap Green #5C8B15 ΔE 0.027
- Swamp #698339 ΔE 0.029
- Olive Drab #6B8E23 ΔE 0.037
- Light Forest Green #4F9153 ΔE 0.038
- Khaki Green #728639 ΔE 0.038
Use #558733 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.