#588D42
Closest named color: Fern Green (#548D44). oklch(58.8% 0.121 137.3), rgb(88, 141, 66).
Aa
Black text reads best on this color (5.30:1).
About this color
#588D42 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.121 and its hue 137°. 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 5.30:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.30:1 |
| White text | 3.95:1 |
Values
| HEX | #588D42 |
| RGB | rgb(88, 141, 66) |
| HSL | hsl(102, 36%, 41%) |
| OKLCH | oklch(58.8% 0.121 137.3) |
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 #588D42 | 3.95:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #588D42 | 5.30:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #588D42 text on white | 3.95:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #588D42 text on black | 5.30:1 | AA | Lc -34.8 | 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
#E5ECE2
oklch(93.5% 0.015 136.1)
-
Step 200
200
#D0DECB
oklch(88.5% 0.03 137.4)
-
Step 300
300
#B0C9A7
oklch(80.8% 0.054 137.4)
-
Step 400
400
#87AE78
oklch(70.8% 0.087 137.2)
-
Step 500
500
#689954
oklch(63.1% 0.111 137.2)
-
Step 600
600 (this color)
#588D42
oklch(58.8% 0.121 137.3)
-
Step 700
700
#3F6F2B
oklch(49.1% 0.112 137.5)
-
Step 800
800
#355A24
oklch(42.6% 0.092 136.9)
-
Step 900
900
#2E4A23
oklch(37.6% 0.071 137.5)
-
Step 950
950
#1B2C15
oklch(27.1% 0.047 137.9)
#588D42 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) | #91833B | 0.078 |
| Deuteranopia (no green cones) | #8A7E47 | 0.079 |
| Tritanopia (no blue cones) | #56897C | 0.084 |
| Achromatopsia (no color) | #808080 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588D42
#588D42
oklch(58.8% 0.121 137.3)
- #9A64AC
#9A64AC
oklch(58.9% 0.122 317.3)
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 #588D42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.004
- Moss Green #658B38 ΔE 0.015
- Light Forest Green #4F9153 ΔE 0.019
- Mossy Green #638B27 ΔE 0.024
- Swamp #698339 ΔE 0.032
- Olive Drab #6B8E23 ΔE 0.032
- Sap Green #5C8B15 ΔE 0.033
- Khaki Green #728639 ΔE 0.034
Use #588D42 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.