#618B49
Closest named color: Fern Green (#548D44). oklch(59% 0.105 135.1), rgb(97, 139, 73).
Aa
Black text reads best on this color (5.29:1).
About this color
#618B49 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.105 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.018 away. Black text reads best on it, at 5.29:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #618B49 |
| RGB | rgb(97, 139, 73) |
| HSL | hsl(98, 31%, 42%) |
| OKLCH | oklch(59% 0.105 135.1) |
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 #618B49 | 3.96:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #618B49 | 5.29:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #618B49 text on white | 3.96:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #618B49 text on black | 5.29:1 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D2DDCC
oklch(88.4% 0.026 134.3)
-
Step 300
300
#B4C8AA
oklch(80.9% 0.047 135.1)
-
Step 400
400
#8CAC7C
oklch(70.8% 0.076 135.4)
-
Step 500
500
#70975A
oklch(63.2% 0.097 134.9)
-
Step 600
600 (this color)
#618B49
oklch(59% 0.105 135.1)
-
Step 700
700
#476D31
oklch(49.1% 0.098 135.3)
-
Step 800
800
#3B5929
oklch(42.8% 0.082 134.9)
-
Step 900
900
#334926
oklch(37.7% 0.063 134.7)
-
Step 950
950
#1E2B17
oklch(27.1% 0.04 135.2)
#618B49 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) | #8F8244 | 0.066 |
| Deuteranopia (no green cones) | #897E4D | 0.066 |
| Tritanopia (no blue cones) | #61877B | 0.074 |
| Achromatopsia (no color) | #808080 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618B49
#618B49
oklch(59% 0.105 135.1)
- #9569A8
#9569A8
oklch(59% 0.105 315.3)
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 #618B49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.018
- Moss Green #658B38 ΔE 0.018
- Light Forest Green #4F9153 ΔE 0.023
- Swamp #698339 ΔE 0.024
- Khaki Green #728639 ΔE 0.024
- Dark Sage #598556 ΔE 0.029
- Mossy Green #638B27 ΔE 0.033
- Olive Drab #6B8E23 ΔE 0.038
Use #618B49 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.