#37974B
Closest named color: Light Forest Green (#4F9153). oklch(60.2% 0.144 147.5), rgb(55, 151, 75).
Aa
Black text reads best on this color (5.69:1).
About this color
#37974B is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.144 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.030 away. Black text reads best on it, at 5.69:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.69:1 |
| White text | 3.69:1 |
Values
| HEX | #37974B |
| RGB | rgb(55, 151, 75) |
| HSL | hsl(133, 47%, 40%) |
| OKLCH | oklch(60.2% 0.144 147.5) |
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 #37974B | 3.69:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #37974B | 5.69:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #37974B text on white | 3.69:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #37974B text on black | 5.69:1 | AA | Lc -37.5 | 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 500.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C9E1CB
oklch(88.6% 0.039 147.6)
-
Step 300
300
#A3CEA7
oklch(81% 0.071 147.4)
-
Step 400
400
#6EB477
oklch(70.8% 0.113 147.3)
-
Step 500
500 (this color)
#37974B
oklch(60.2% 0.144 147.5)
-
Step 600
600
#148A37
oklch(55.5% 0.156 147.5)
-
Step 700
700
#00752A
oklch(49% 0.144 147.5)
-
Step 800
800
#0A6024
oklch(42.8% 0.12 147.6)
-
Step 900
900
#154E22
oklch(37.6% 0.093 147.6)
-
Step 950
950
#0F2E15
oklch(27% 0.059 147.8)
#37974B 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) | #998A45 | 0.114 |
| Deuteranopia (no green cones) | #8D8250 | 0.113 |
| Tritanopia (no blue cones) | #1C9485 | 0.083 |
| Achromatopsia (no color) | #858585 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37974B
#37974B
oklch(60.2% 0.144 147.5)
- #AD5EAC
#AD5EAC
oklch(60.1% 0.144 327.6)
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 #37974B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.030
- Fern Green #548D44 ΔE 0.033
- Kelley Green #009337 ΔE 0.035
- Irish Green #019529 ΔE 0.043
- Sea Green #2E8B57 ΔE 0.045
- Viridian #1E9167 ΔE 0.046
- Muted Green #5FA052 ΔE 0.047
- Moss Green #658B38 ΔE 0.048
Use #37974B 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.