#437F4A
Closest named color: Sea Green (#2E8B57). oklch(54.2% 0.103 146.5), rgb(67, 127, 74).
Aa
White text reads best on this color (4.80:1).
About this color
#437F4A is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.103 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.035 away. White text reads best on it, at 4.80:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.37:1 |
| White text | 4.80:1 |
Values
| HEX | #437F4A |
| RGB | rgb(67, 127, 74) |
| HSL | hsl(127, 31%, 38%) |
| OKLCH | oklch(54.2% 0.103 146.5) |
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 #437F4A | 4.80:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #437F4A | 4.37:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #437F4A text on white | 4.80:1 | AA | Lc 73.2 | Content text, not long reading |
| #437F4A text on black | 4.37:1 | AA large text | Lc -28.5 | 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
#CFDECF
oklch(88.5% 0.026 145.4)
-
Step 300
300
#AEC9AF
oklch(80.9% 0.046 146.1)
-
Step 400
400
#82AD85
oklch(70.5% 0.074 146.5)
-
Step 500
500
#629967
oklch(63.1% 0.094 146.5)
-
Step 600
600 (this color)
#437F4A
oklch(54.2% 0.103 146.5)
-
Step 700
700
#386F3F
oklch(49.1% 0.096 146.7)
-
Step 800
800
#2F5A34
oklch(42.5% 0.079 146.6)
-
Step 900
900
#2A4A2E
oklch(37.6% 0.061 147.2)
-
Step 950
950
#192C1B
oklch(27.1% 0.04 146.9)
#437F4A 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) | #817646 | 0.082 |
| Deuteranopia (no green cones) | #78704D | 0.080 |
| Tritanopia (no blue cones) | #3A7C72 | 0.062 |
| Achromatopsia (no color) | #727272 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437F4A
#437F4A
oklch(54.2% 0.103 146.5)
- #8E598F
#8E598F
oklch(54.2% 0.103 326.2)
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 #437F4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.035
- Dark Sage #598556 ΔE 0.035
- Jungle Green #048243 ΔE 0.038
- Military Green #667C3E ΔE 0.039
- Muddy Green #657432 ΔE 0.047
- Swamp #698339 ΔE 0.049
- Fern Green #548D44 ΔE 0.050
- Viridian #1E9167 ΔE 0.055
Use #437F4A 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.