#588F6A
Closest named color: Slate Green (#658D6D). oklch(60.1% 0.082 153.9), rgb(88, 143, 106).
Aa
Black text reads best on this color (5.55:1).
About this color
#588F6A is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.082 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.017 away. Black text reads best on it, at 5.55:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.55:1 |
| White text | 3.78:1 |
Values
| HEX | #588F6A |
| RGB | rgb(88, 143, 106) |
| HSL | hsl(140, 24%, 45%) |
| OKLCH | oklch(60.1% 0.082 153.9) |
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 #588F6A | 3.78:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #588F6A | 5.55:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #588F6A text on white | 3.78:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #588F6A text on black | 5.55:1 | AA | Lc -36.4 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CFDED2
oklch(88.6% 0.023 151.6)
-
Step 300
300
#AEC9B5
oklch(81% 0.04 153.3)
-
Step 400
400
#82AD8F
oklch(70.8% 0.064 154.1)
-
Step 500
500 (this color)
#588F6A
oklch(60.1% 0.082 153.9)
-
Step 600
600
#46825B
oklch(55.5% 0.088 154)
-
Step 700
700
#376E4B
oklch(49% 0.082 154.2)
-
Step 800
800
#2E5A3D
oklch(42.7% 0.069 153.5)
-
Step 900
900
#2A4A34
oklch(37.7% 0.054 153.2)
-
Step 950
950
#192B1F
oklch(26.9% 0.033 154.5)
#588F6A 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) | #8F8768 | 0.073 |
| Deuteranopia (no green cones) | #86816C | 0.070 |
| Tritanopia (no blue cones) | #4E8E85 | 0.041 |
| Achromatopsia (no color) | #838383 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588F6A
#588F6A
oklch(60.1% 0.082 153.9)
- #9F6E95
#9F6E95
oklch(60.2% 0.082 334.1)
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 #588F6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.017
- Ocean Green #3D9973 ΔE 0.033
- Dark Sage #598556 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.039
- Green Grey #77926F ΔE 0.040
- Viridian #1E9167 ΔE 0.043
- Fern Green #548D44 ΔE 0.049
Use #588F6A 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.