#618F73
Closest named color: Slate Green (#658D6D). oklch(60.9% 0.066 157.1), rgb(97, 143, 115).
Aa
Black text reads best on this color (5.68:1).
About this color
#618F73 is a medium-dark, muted green. In OKLCH its lightness is 61%, its chroma 0.066 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.009 away. Black text reads best on it, at 5.68:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #618F73 |
| RGB | rgb(97, 143, 115) |
| HSL | hsl(143, 19%, 47%) |
| OKLCH | oklch(60.9% 0.066 157.1) |
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 #618F73 | 3.69:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #618F73 | 5.68:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #618F73 text on white | 3.69:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #618F73 text on black | 5.68:1 | AA | Lc -37.2 | 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
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D0DDD4
oklch(88.5% 0.019 155.8)
-
Step 300
300
#B0C7B8
oklch(80.8% 0.033 157)
-
Step 400
400
#87AB94
oklch(70.8% 0.052 156.8)
-
Step 500
500 (this color)
#618F73
oklch(60.9% 0.066 157.1)
-
Step 600
600
#4E8062
oklch(55.5% 0.072 156.8)
-
Step 700
700
#3F6C51
oklch(49% 0.066 156.6)
-
Step 800
800
#345843
oklch(42.6% 0.055 157.5)
-
Step 900
900
#2E4938
oklch(37.8% 0.044 156)
-
Step 950
950
#1B2B21
oklch(27.1% 0.028 156.5)
#618F73 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) | #8E8871 | 0.061 |
| Deuteranopia (no green cones) | #878375 | 0.060 |
| Tritanopia (no blue cones) | #588E87 | 0.031 |
| Achromatopsia (no color) | #858585 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618F73
#618F73
oklch(60.9% 0.066 157.1)
- #9D7491
#9D7491
oklch(60.9% 0.065 337.4)
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 #618F73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.009
- Green Grey #77926F ΔE 0.030
- Dusty Teal #4C9085 ΔE 0.031
- Grey Teal #5E9B8A ΔE 0.040
- Ocean Green #3D9973 ΔE 0.041
- Dark Sage #598556 ΔE 0.046
- Sea #3C9992 ΔE 0.050
- Dull Teal #5F9E8F ΔE 0.050
Use #618F73 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.