#37845B
Closest named color: Sea Green (#2E8B57). oklch(55.4% 0.1 157.4), rgb(55, 132, 91).
Aa
Black text reads best on this color (4.61:1).
About this color
#37845B is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.100 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.024 away. Black text reads best on it, at 4.61:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.61:1 |
| White text | 4.55:1 |
Values
| HEX | #37845B |
| RGB | rgb(55, 132, 91) |
| HSL | hsl(148, 41%, 37%) |
| OKLCH | oklch(55.4% 0.1 157.4) |
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 #37845B | 4.55:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #37845B | 4.61:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #37845B text on white | 4.55:1 | AA | Lc 71.4 | Content text, not long reading |
| #37845B text on black | 4.61:1 | AA | Lc -30.3 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDED3
oklch(88.4% 0.024 159.1)
-
Step 300
300
#AACAB5
oklch(81% 0.045 156.5)
-
Step 400
400
#7AAF8F
oklch(70.8% 0.073 157.4)
-
Step 500
500
#569A73
oklch(63% 0.092 157.3)
-
Step 600
600 (this color)
#37845B
oklch(55.4% 0.1 157.4)
-
Step 700
700
#29704B
oklch(49% 0.093 157.3)
-
Step 800
800
#245C3E
oklch(42.8% 0.078 157.2)
-
Step 900
900
#234B35
oklch(37.7% 0.06 157.7)
-
Step 950
950
#152C1F
oklch(27% 0.038 157.7)
#37845B 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) | #837A59 | 0.093 |
| Deuteranopia (no green cones) | #78735E | 0.089 |
| Tritanopia (no blue cones) | #1C8379 | 0.046 |
| Achromatopsia (no color) | #767676 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37845B
#37845B
oklch(55.4% 0.1 157.4)
- #985B87
#985B87
oklch(55.4% 0.099 338)
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 #37845B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.024
- Dark Sage #598556 ΔE 0.033
- Viridian #1E9167 ΔE 0.037
- Jungle Green #048243 ΔE 0.044
- Light Forest Green #4F9153 ΔE 0.051
- Fern Green #548D44 ΔE 0.052
- Military Green #667C3E ΔE 0.053
- Swamp #698339 ΔE 0.060
Use #37845B 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.