#37884B
Closest named color: Sea Green (#2E8B57). oklch(56.1% 0.122 149), rgb(55, 136, 75).
Aa
Black text reads best on this color (4.78:1).
About this color
#37884B is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.122 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 0.015 away. Black text reads best on it, at 4.78:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.78:1 |
| White text | 4.38:1 |
Values
| HEX | #37884B |
| RGB | rgb(55, 136, 75) |
| HSL | hsl(135, 42%, 37%) |
| OKLCH | oklch(56.1% 0.122 149) |
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 #37884B | 4.38:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #37884B | 4.78:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #37884B text on white | 4.38:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #37884B text on black | 4.78:1 | AA | Lc -31.5 | 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
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CCDFCE
oklch(88.5% 0.031 148.4)
-
Step 300
300
#A9CBAE
oklch(80.9% 0.054 149.2)
-
Step 400
400
#79B083
oklch(70.7% 0.087 149.4)
-
Step 500
500
#549C63
oklch(63.1% 0.112 149.1)
-
Step 600
600 (this color)
#37884B
oklch(56.1% 0.122 149)
-
Step 700
700
#27723B
oklch(49.1% 0.113 149.1)
-
Step 800
800
#225D31
oklch(42.8% 0.094 149.1)
-
Step 900
900
#224C2B
oklch(37.7% 0.073 148.8)
-
Step 950
950
#152D1A
oklch(27.1% 0.046 149.2)
#37884B 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) | #897D46 | 0.100 |
| Deuteranopia (no green cones) | #7E764F | 0.097 |
| Tritanopia (no blue cones) | #238679 | 0.068 |
| Achromatopsia (no color) | #787878 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37884B
#37884B
oklch(56.1% 0.122 149)
- #9B5898
#9B5898
oklch(56.1% 0.123 328.7)
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 #37884B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.015
- Fern Green #548D44 ΔE 0.033
- Jungle Green #048243 ΔE 0.033
- Light Forest Green #4F9153 ΔE 0.037
- Viridian #1E9167 ΔE 0.038
- Dark Sage #598556 ΔE 0.040
- Forest Green #228B22 ΔE 0.049
- Moss Green #658B38 ΔE 0.049
Use #37884B 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.