#618F6F
Closest named color: Slate Green (#658D6D). oklch(60.8% 0.07 153.6), rgb(97, 143, 111).
Aa
Black text reads best on this color (5.66:1).
About this color
#618F6F is a medium-dark, muted green. In OKLCH its lightness is 61%, its chroma 0.070 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 0.007 away. Black text reads best on it, at 5.66:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #618F6F |
| RGB | rgb(97, 143, 111) |
| HSL | hsl(138, 19%, 47%) |
| OKLCH | oklch(60.8% 0.07 153.6) |
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 #618F6F | 3.70:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #618F6F | 5.66:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #618F6F text on white | 3.70:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #618F6F text on black | 5.66:1 | AA | Lc -37.1 | 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
#D0DDD3
oklch(88.5% 0.019 152.8)
-
Step 300
300
#B1C7B7
oklch(80.8% 0.033 154)
-
Step 400
400
#87AB91
oklch(70.7% 0.054 153.5)
-
Step 500
500 (this color)
#618F6F
oklch(60.8% 0.07 153.6)
-
Step 600
600
#4E805E
oklch(55.4% 0.076 153.6)
-
Step 700
700
#3F6D4E
oklch(49.2% 0.071 153.5)
-
Step 800
800
#345840
oklch(42.6% 0.058 154.1)
-
Step 900
900
#2E4936
oklch(37.8% 0.046 153.1)
-
Step 950
950
#1B2B20
oklch(27.1% 0.03 154)
#618F6F 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) | #8F886D | 0.062 |
| Deuteranopia (no green cones) | #878371 | 0.060 |
| Tritanopia (no blue cones) | #598E86 | 0.035 |
| Achromatopsia (no color) | #858585 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618F6F
#618F6F
oklch(60.8% 0.07 153.6)
- #9C7394
#9C7394
oklch(60.7% 0.069 333.4)
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 #618F6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.007
- Green Grey #77926F ΔE 0.029
- Dusty Teal #4C9085 ΔE 0.035
- Ocean Green #3D9973 ΔE 0.040
- Dark Sage #598556 ΔE 0.042
- Grey Teal #5E9B8A ΔE 0.043
- Light Forest Green #4F9153 ΔE 0.048
- Drab Green #749551 ΔE 0.051
Use #618F6F 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.