#588B59
Closest named color: Dark Sage (#598556). oklch(58.7% 0.093 144.7), rgb(88, 139, 89).
Aa
Black text reads best on this color (5.25:1).
About this color
#588B59 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.093 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.017 away. Black text reads best on it, at 5.25:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #588B59 |
| RGB | rgb(88, 139, 89) |
| HSL | hsl(121, 22%, 45%) |
| OKLCH | oklch(58.7% 0.093 144.7) |
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 #588B59 | 3.99:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #588B59 | 5.25:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #588B59 text on white | 3.99:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #588B59 text on black | 5.25:1 | AA | Lc -34.5 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#D0DDD0
oklch(88.4% 0.022 145.4)
-
Step 300
300
#B1C8B0
oklch(80.9% 0.042 144.1)
-
Step 400
400
#87AC87
oklch(70.7% 0.067 144.8)
-
Step 500
500
#689769
oklch(63% 0.085 145)
-
Step 600
600 (this color)
#588B59
oklch(58.7% 0.093 144.7)
-
Step 700
700
#406E41
oklch(49.3% 0.087 144.6)
-
Step 800
800
#355936
oklch(42.7% 0.071 144.8)
-
Step 900
900
#2E492F
oklch(37.6% 0.055 145.2)
-
Step 950
950
#1B2B1C
oklch(27% 0.035 146.1)
#588B59 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) | #8D8256 | 0.073 |
| Deuteranopia (no green cones) | #857D5C | 0.071 |
| Tritanopia (no blue cones) | #52887E | 0.057 |
| Achromatopsia (no color) | #7F7F7F | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588B59
#588B59
oklch(58.7% 0.093 144.7)
- #98699B
#98699B
oklch(58.7% 0.092 324.6)
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 #588B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.017
- Light Forest Green #4F9153 ΔE 0.024
- Fern Green #548D44 ΔE 0.030
- Slate Green #658D6D ΔE 0.033
- Sea Green #2E8B57 ΔE 0.037
- Swamp #698339 ΔE 0.038
- Moss Green #658B38 ΔE 0.038
- Khaki Green #728639 ΔE 0.041
Use #588B59 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.