#418D59
Closest named color: Sea Green (#2E8B57). oklch(58.1% 0.11 151.8), rgb(65, 141, 89).
Aa
Black text reads best on this color (5.17:1).
About this color
#418D59 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.110 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.016 away. Black text reads best on it, at 5.17:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #418D59 |
| RGB | rgb(65, 141, 89) |
| HSL | hsl(139, 37%, 40%) |
| OKLCH | oklch(58.1% 0.11 151.8) |
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 #418D59 | 4.05:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #418D59 | 5.17:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #418D59 text on white | 4.05:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #418D59 text on black | 5.17:1 | AA | Lc -34.1 | 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 600.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD0
oklch(88.5% 0.029 151.9)
-
Step 300
300
#AACAB1
oklch(80.8% 0.049 151.7)
-
Step 400
400
#7BAF88
oklch(70.7% 0.079 151.8)
-
Step 500
500
#579B6A
oklch(63.1% 0.102 151.6)
-
Step 600
600 (this color)
#418D59
oklch(58.1% 0.11 151.8)
-
Step 700
700
#2A7142
oklch(49.1% 0.103 151.7)
-
Step 800
800
#255C37
oklch(42.7% 0.085 151.9)
-
Step 900
900
#244C30
oklch(37.9% 0.066 151.8)
-
Step 950
950
#162C1C
oklch(26.9% 0.041 151.6)
#418D59 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) | #8D8356 | 0.094 |
| Deuteranopia (no green cones) | #837B5C | 0.093 |
| Tritanopia (no blue cones) | #2F8B80 | 0.059 |
| Achromatopsia (no color) | #7E7E7E | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #418D59
#418D59
oklch(58.1% 0.11 151.8)
- #A06198
#A06198
oklch(58.1% 0.11 331.6)
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 #418D59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.016
- Light Forest Green #4F9153 ΔE 0.021
- Viridian #1E9167 ΔE 0.024
- Fern Green #548D44 ΔE 0.028
- Dark Sage #598556 ΔE 0.030
- Ocean Green #3D9973 ΔE 0.042
- Moss Green #658B38 ΔE 0.046
- Swamp #698339 ΔE 0.050
Use #418D59 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.