#598F6B
Closest named color: Slate Green (#658D6D). oklch(60.2% 0.08 154.2), rgb(89, 143, 107).
Aa
Black text reads best on this color (5.56:1).
About this color
#598F6B is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.080 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 0.015 away. Black text reads best on it, at 5.56:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.56:1 |
| White text | 3.77:1 |
Values
| HEX | #598F6B |
| RGB | rgb(89, 143, 107) |
| HSL | hsl(140, 23%, 45%) |
| OKLCH | oklch(60.2% 0.08 154.2) |
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 #598F6B | 3.77:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #598F6B | 5.56:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #598F6B text on white | 3.77:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #598F6B text on black | 5.56:1 | AA | Lc -36.5 | 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 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
#CFDED3
oklch(88.6% 0.022 154.1)
-
Step 300
300
#AEC8B5
oklch(80.8% 0.039 153.7)
-
Step 400
400
#82AC8F
oklch(70.6% 0.062 154.4)
-
Step 500
500 (this color)
#598F6B
oklch(60.2% 0.08 154.2)
-
Step 600
600
#47825C
oklch(55.5% 0.086 154.3)
-
Step 700
700
#386E4B
oklch(49.1% 0.081 153.8)
-
Step 800
800
#2F5A3E
oklch(42.8% 0.067 154)
-
Step 900
900
#2A4A35
oklch(37.8% 0.053 154.3)
-
Step 950
950
#192B1F
oklch(26.9% 0.033 154.5)
#598F6B 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) | #8F8769 | 0.072 |
| Deuteranopia (no green cones) | #86816D | 0.069 |
| Tritanopia (no blue cones) | #4F8E85 | 0.040 |
| Achromatopsia (no color) | #838383 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #598F6B
#598F6B
oklch(60.2% 0.08 154.2)
- #9E6F94
#9E6F94
oklch(60.2% 0.078 334.3)
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 #598F6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.015
- Ocean Green #3D9973 ΔE 0.033
- Dark Sage #598556 ΔE 0.035
- Dusty Teal #4C9085 ΔE 0.038
- Light Forest Green #4F9153 ΔE 0.038
- Green Grey #77926F ΔE 0.039
- Viridian #1E9167 ΔE 0.044
- Grey Teal #5E9B8A ΔE 0.050
Use #598F6B 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.