#598666
Closest named color: Dark Sage (#598556). oklch(57.8% 0.07 152.9), rgb(89, 134, 102).
Aa
Black text reads best on this color (5.02:1).
About this color
#598666 is a medium-dark, muted green. In OKLCH its lightness is 58%, its chroma 0.070 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.022 away. Black text reads best on it, at 5.02:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.02:1 |
| White text | 4.17:1 |
Values
| HEX | #598666 |
| RGB | rgb(89, 134, 102) |
| HSL | hsl(137, 20%, 44%) |
| OKLCH | oklch(57.8% 0.07 152.9) |
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 #598666 | 4.17:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #598666 | 5.02:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #598666 text on white | 4.17:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #598666 text on black | 5.02:1 | AA | Lc -32.9 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE7
oklch(93.7% 0.009 150.7)
-
Step 200
200
#D1DDD4
oklch(88.6% 0.018 153.5)
-
Step 300
300
#B2C7B7
oklch(80.9% 0.032 152.8)
-
Step 400
400
#89AA92
oklch(70.6% 0.05 153.4)
-
Step 500
500
#6C9577
oklch(63.1% 0.064 152.6)
-
Step 600
600 (this color)
#598666
oklch(57.8% 0.07 152.9)
-
Step 700
700
#436C4F
oklch(49.2% 0.066 152.7)
-
Step 800
800
#375841
oklch(42.8% 0.054 153.2)
-
Step 900
900
#304837
oklch(37.6% 0.042 153.2)
-
Step 950
950
#1C2A20
oklch(26.9% 0.027 153.3)
#598666 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) | #867F64 | 0.062 |
| Deuteranopia (no green cones) | #7F7A68 | 0.060 |
| Tritanopia (no blue cones) | #52857D | 0.036 |
| Achromatopsia (no color) | #7C7C7C | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #598666
#598666
oklch(57.8% 0.07 152.9)
- #936A8C
#936A8C
oklch(57.8% 0.071 332.5)
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 #598666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.022
- Slate Green #658D6D ΔE 0.027
- Dusty Teal #4C9085 ΔE 0.045
- Military Green #667C3E ΔE 0.050
- Light Forest Green #4F9153 ΔE 0.050
- Sea Green #2E8B57 ΔE 0.050
- Viridian #1E9167 ΔE 0.051
- Swamp #698339 ΔE 0.054
Use #598666 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.