#407E4D
Closest named color: Sea Green (#2E8B57). oklch(53.8% 0.1 148.9), rgb(64, 126, 77).
Aa
White text reads best on this color (4.87:1).
About this color
#407E4D is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.100 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.038 away. White text reads best on it, at 4.87:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Values
| HEX | #407E4D |
| RGB | rgb(64, 126, 77) |
| HSL | hsl(133, 33%, 37%) |
| OKLCH | oklch(53.8% 0.1 148.9) |
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 #407E4D | 4.87:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #407E4D | 4.30:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #407E4D text on white | 4.87:1 | AA | Lc 73.6 | Content text, not long reading |
| #407E4D text on black | 4.30:1 | AA large text | Lc -28.1 | Dividers and decoration only |
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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CEDED0
oklch(88.5% 0.026 149.1)
-
Step 300
300
#ADC9B1
oklch(80.8% 0.045 149.3)
-
Step 400
400
#81AD88
oklch(70.6% 0.072 149.1)
-
Step 500
500
#60996B
oklch(63.1% 0.091 149.3)
-
Step 600
600 (this color)
#407E4D
oklch(53.8% 0.1 148.9)
-
Step 700
700
#366F43
oklch(49.1% 0.092 149.4)
-
Step 800
800
#2E5B37
oklch(42.8% 0.078 148.8)
-
Step 900
900
#294A30
oklch(37.6% 0.059 149.6)
-
Step 950
950
#192C1C
oklch(27.1% 0.039 148.4)
#407E4D 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) | #7F754A | 0.082 |
| Deuteranopia (no green cones) | #766F50 | 0.080 |
| Tritanopia (no blue cones) | #357C72 | 0.057 |
| Achromatopsia (no color) | #717171 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #407E4D
#407E4D
oklch(53.8% 0.1 148.9)
- #8E588B
#8E588B
oklch(53.9% 0.1 328.8)
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 #407E4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.038
- Dark Sage #598556 ΔE 0.038
- Jungle Green #048243 ΔE 0.038
- Military Green #667C3E ΔE 0.043
- Muddy Green #657432 ΔE 0.049
- Swamp #698339 ΔE 0.054
- Fern Green #548D44 ΔE 0.056
- Viridian #1E9167 ΔE 0.057
Use #407E4D 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.