#37754B
Closest named color: Dark Olive Green (#556B2F). oklch(50.9% 0.093 152.3), rgb(55, 117, 75).
Aa
White text reads best on this color (5.51:1).
About this color
#37754B is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.093 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.044 away. White text reads best on it, at 5.51:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #37754B |
| RGB | rgb(55, 117, 75) |
| HSL | hsl(139, 36%, 34%) |
| OKLCH | oklch(50.9% 0.093 152.3) |
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 #37754B | 5.51:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #37754B | 3.80:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #37754B text on white | 5.51:1 | AA | Lc 77.3 | Fine for body text |
| #37754B text on black | 3.80:1 | AA large text | Lc -24.4 | 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 700.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED1
oklch(88.5% 0.025 151.1)
-
Step 300
300
#ACC9B3
oklch(80.8% 0.044 152.6)
-
Step 400
400
#7FAE8B
oklch(70.7% 0.072 152.2)
-
Step 500
500
#5C9A6E
oklch(63.2% 0.093 152.3)
-
Step 600
600
#408456
oklch(55.6% 0.1 152.4)
-
Step 700
700 (this color)
#37754B
oklch(50.9% 0.093 152.3)
-
Step 800
800
#2A5B3A
oklch(42.7% 0.077 152.5)
-
Step 900
900
#274B32
oklch(37.8% 0.06 152.5)
-
Step 950
950
#172C1D
oklch(27% 0.039 152.2)
#37754B 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) | #756C48 | 0.080 |
| Deuteranopia (no green cones) | #6C664E | 0.079 |
| Tritanopia (no blue cones) | #29736A | 0.049 |
| Achromatopsia (no color) | #696969 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37754B
#37754B
oklch(50.9% 0.093 152.3)
- #85517D
#85517D
oklch(51% 0.093 332.6)
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 #37754B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.044
- Jungle Green #048243 ΔE 0.050
- Dark Moss Green #606C38 ΔE 0.050
- Muddy Green #657432 ΔE 0.056
- Camo Green #526525 ΔE 0.056
- Military Green #667C3E ΔE 0.062
- Dark Aquamarine #017371 ΔE 0.062
- Dark Sage #598556 ΔE 0.065
Use #37754B 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.