#37905F
Closest named color: Viridian (#1E9167). oklch(58.7% 0.114 156), rgb(55, 144, 95).
Aa
Black text reads best on this color (5.31:1).
About this color
#37905F is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.114 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.015 away. Black text reads best on it, at 5.31:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.31:1 |
| White text | 3.94:1 |
Values
| HEX | #37905F |
| RGB | rgb(55, 144, 95) |
| HSL | hsl(147, 45%, 39%) |
| OKLCH | oklch(58.7% 0.114 156) |
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 #37905F | 3.94:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #37905F | 5.31:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #37905F text on white | 3.94:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #37905F text on black | 5.31:1 | AA | Lc -35.1 | 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
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CBDFD1
oklch(88.5% 0.029 155.2)
-
Step 300
300
#A7CBB3
oklch(80.9% 0.051 155.9)
-
Step 400
400
#75B08B
oklch(70.6% 0.082 156.1)
-
Step 500
500
#4E9C6E
oklch(63% 0.105 155.9)
-
Step 600
600 (this color)
#37905F
oklch(58.7% 0.114 156)
-
Step 700
700
#1D7246
oklch(49.1% 0.106 155.8)
-
Step 800
800
#1B5D3A
oklch(42.7% 0.088 156.1)
-
Step 900
900
#1E4C32
oklch(37.6% 0.068 156.2)
-
Step 950
950
#132D1D
oklch(27.1% 0.044 155)
#37905F 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) | #8F855C | 0.103 |
| Deuteranopia (no green cones) | #837D62 | 0.100 |
| Tritanopia (no blue cones) | #128F83 | 0.054 |
| Achromatopsia (no color) | #808080 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37905F
#37905F
oklch(58.7% 0.114 156)
- #A66096
#A66096
oklch(58.6% 0.115 336)
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 #37905F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.015
- Sea Green #2E8B57 ΔE 0.019
- Light Forest Green #4F9153 ΔE 0.024
- Ocean Green #3D9973 ΔE 0.035
- Fern Green #548D44 ΔE 0.035
- Dark Sage #598556 ΔE 0.039
- Slate Green #658D6D ΔE 0.052
- Moss Green #658B38 ΔE 0.053
Use #37905F 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.