#5E8A66
Closest named color: Slate Green (#658D6D). oklch(59.1% 0.073 149.4), rgb(94, 138, 102).
Aa
Black text reads best on this color (5.30:1).
About this color
#5E8A66 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.073 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 0.015 away. Black text reads best on it, at 5.30:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.30:1 |
| White text | 3.95:1 |
Values
| HEX | #5E8A66 |
| RGB | rgb(94, 138, 102) |
| HSL | hsl(131, 19%, 45%) |
| OKLCH | oklch(59.1% 0.073 149.4) |
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 #5E8A66 | 3.95:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #5E8A66 | 5.30:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #5E8A66 text on white | 3.95:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #5E8A66 text on black | 5.30:1 | AA | Lc -34.8 | 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
#E6ECE6
oklch(93.7% 0.01 145.5)
-
Step 200
200
#D1DDD3
oklch(88.6% 0.019 150.5)
-
Step 300
300
#B3C7B5
oklch(80.9% 0.033 148.1)
-
Step 400
400
#8AAA8F
oklch(70.6% 0.053 149.4)
-
Step 500
500
#6D9574
oklch(63.1% 0.066 149.5)
-
Step 600
600 (this color)
#5E8A66
oklch(59.1% 0.073 149.4)
-
Step 700
700
#446C4C
oklch(49.2% 0.068 149.7)
-
Step 800
800
#38583E
oklch(42.8% 0.057 149.4)
-
Step 900
900
#314835
oklch(37.6% 0.043 149.3)
-
Step 950
950
#1D2A1F
oklch(26.9% 0.027 149)
#5E8A66 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) | #8B8364 | 0.062 |
| Deuteranopia (no green cones) | #847E68 | 0.060 |
| Tritanopia (no blue cones) | #588880 | 0.041 |
| Achromatopsia (no color) | #808080 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E8A66
#5E8A66
oklch(59.1% 0.073 149.4)
- #966E93
#966E93
oklch(59.1% 0.073 329)
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 #5E8A66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.015
- Dark Sage #598556 ΔE 0.025
- Green Grey #77926F ΔE 0.042
- Light Forest Green #4F9153 ΔE 0.042
- Dusty Teal #4C9085 ΔE 0.043
- Ocean Green #3D9973 ΔE 0.047
- Viridian #1E9167 ΔE 0.050
- Fern Green #548D44 ΔE 0.051
Use #5E8A66 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.