#618A4D
Closest named color: Fern Green (#548D44). oklch(58.8% 0.099 136), rgb(97, 138, 77).
Aa
Black text reads best on this color (5.25:1).
About this color
#618A4D is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.099 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.023 away. Black text reads best on it, at 5.25:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #618A4D |
| RGB | rgb(97, 138, 77) |
| HSL | hsl(100, 28%, 42%) |
| OKLCH | oklch(58.8% 0.099 136) |
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 #618A4D | 3.99:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #618A4D | 5.25:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #618A4D text on white | 3.99:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #618A4D text on black | 5.25:1 | AA | Lc -34.4 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D2DDCD
oklch(88.5% 0.025 135.7)
-
Step 300
300
#B4C8AB
oklch(81% 0.045 135.9)
-
Step 400
400
#8DAB7F
oklch(70.7% 0.071 135.9)
-
Step 500
500
#70965E
oklch(63% 0.091 136)
-
Step 600
600 (this color)
#618A4D
oklch(58.8% 0.099 136)
-
Step 700
700
#486C35
oklch(49% 0.092 135.7)
-
Step 800
800
#3B582D
oklch(42.6% 0.076 136.2)
-
Step 900
900
#334928
oklch(37.8% 0.06 135.8)
-
Step 950
950
#1E2B18
oklch(27.1% 0.038 136.2)
#618A4D 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) | #8E8148 | 0.064 |
| Deuteranopia (no green cones) | #887E51 | 0.064 |
| Tritanopia (no blue cones) | #60867B | 0.070 |
| Achromatopsia (no color) | #7F7F7F | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618A4D
#618A4D
oklch(58.8% 0.099 136)
- #946AA4
#946AA4
oklch(58.9% 0.098 316.4)
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 #618A4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.023
- Dark Sage #598556 ΔE 0.024
- Moss Green #658B38 ΔE 0.024
- Light Forest Green #4F9153 ΔE 0.025
- Swamp #698339 ΔE 0.025
- Khaki Green #728639 ΔE 0.026
- Mossy Green #638B27 ΔE 0.039
- Military Green #667C3E ΔE 0.039
Use #618A4D 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.