#37865F
Closest named color: Sea Green (#2E8B57). oklch(56% 0.099 159.1), rgb(55, 134, 95).
Aa
Black text reads best on this color (4.73:1).
About this color
#37865F is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.099 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.023 away. Black text reads best on it, at 4.73:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.73:1 |
| White text | 4.43:1 |
Values
| HEX | #37865F |
| RGB | rgb(55, 134, 95) |
| HSL | hsl(150, 42%, 37%) |
| OKLCH | oklch(56% 0.099 159.1) |
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 #37865F | 4.43:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #37865F | 4.73:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #37865F text on white | 4.43:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #37865F text on black | 4.73:1 | AA | Lc -31.2 | 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
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDED3
oklch(88.4% 0.024 159.1)
-
Step 300
300
#A9CAB6
oklch(80.9% 0.045 158.6)
-
Step 400
400
#79AF91
oklch(70.8% 0.072 159.5)
-
Step 500
500
#549A75
oklch(63% 0.091 159.2)
-
Step 600
600 (this color)
#37865F
oklch(56% 0.099 159.1)
-
Step 700
700
#27704D
oklch(49% 0.092 159.1)
-
Step 800
800
#225C40
oklch(42.8% 0.077 159.5)
-
Step 900
900
#224B36
oklch(37.6% 0.059 159.3)
-
Step 950
950
#152C20
oklch(27% 0.037 159.8)
#37865F 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) | #857C5D | 0.094 |
| Deuteranopia (no green cones) | #7A7561 | 0.090 |
| Tritanopia (no blue cones) | #18857B | 0.044 |
| Achromatopsia (no color) | #787878 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37865F
#37865F
oklch(56% 0.099 159.1)
- #9A5C88
#9A5C88
oklch(55.9% 0.1 338.5)
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 #37865F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.023
- Dark Sage #598556 ΔE 0.032
- Viridian #1E9167 ΔE 0.032
- Light Forest Green #4F9153 ΔE 0.047
- Jungle Green #048243 ΔE 0.049
- Fern Green #548D44 ΔE 0.051
- Military Green #667C3E ΔE 0.056
- Slate Green #658D6D ΔE 0.057
Use #37865F 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.