#598F63
Closest named color: Slate Green (#658D6D). oklch(60% 0.088 149.1), rgb(89, 143, 99).
Aa
Black text reads best on this color (5.53:1).
About this color
#598F63 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.088 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.023 away. Black text reads best on it, at 5.53:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #598F63 |
| RGB | rgb(89, 143, 99) |
| HSL | hsl(131, 23%, 45%) |
| OKLCH | oklch(60% 0.088 149.1) |
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 #598F63 | 3.79:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #598F63 | 5.53:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #598F63 text on white | 3.79:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #598F63 text on black | 5.53:1 | AA | Lc -36.3 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CFDED1
oklch(88.6% 0.024 149.3)
-
Step 300
300
#AEC9B2
oklch(80.9% 0.043 149.5)
-
Step 400
400
#83AD89
oklch(70.7% 0.069 148.7)
-
Step 500
500 (this color)
#598F63
oklch(60% 0.088 149.1)
-
Step 600
600
#488354
oklch(55.7% 0.096 149.1)
-
Step 700
700
#396F44
oklch(49.2% 0.09 148.9)
-
Step 800
800
#2F5A38
oklch(42.6% 0.074 149.2)
-
Step 900
900
#2B4A31
oklch(37.7% 0.056 149.3)
-
Step 950
950
#192B1D
oklch(26.9% 0.035 150.5)
#598F63 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) | #908660 | 0.074 |
| Deuteranopia (no green cones) | #888166 | 0.072 |
| Tritanopia (no blue cones) | #518D83 | 0.049 |
| Achromatopsia (no color) | #838383 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #598F63
#598F63
oklch(60% 0.088 149.1)
- #9E6D9A
#9E6D9A
oklch(60.1% 0.088 329.4)
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 #598F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.023
- Light Forest Green #4F9153 ΔE 0.027
- Dark Sage #598556 ΔE 0.030
- Ocean Green #3D9973 ΔE 0.034
- Fern Green #548D44 ΔE 0.040
- Viridian #1E9167 ΔE 0.041
- Green Grey #77926F ΔE 0.043
- Drab Green #749551 ΔE 0.044
Use #598F63 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.