#377B65
Closest named color: Bluegreen (#017A79). oklch(53.2% 0.078 169.5), rgb(55, 123, 101).
Aa
White text reads best on this color (5.01:1).
About this color
#377B65 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.078 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.038 away. White text reads best on it, at 5.01:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #377B65 |
| RGB | rgb(55, 123, 101) |
| HSL | hsl(161, 38%, 35%) |
| OKLCH | oklch(53.2% 0.078 169.5) |
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 #377B65 | 5.01:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #377B65 | 4.18:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #377B65 text on white | 5.01:1 | AA | Lc 74.5 | Content text, not long reading |
| #377B65 text on black | 4.18:1 | AA large text | Lc -27.2 | Dividers and decoration only |
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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDDD7
oklch(88.4% 0.019 171.4)
-
Step 300
300
#ABC8BD
oklch(80.8% 0.035 170.5)
-
Step 400
400
#7EAC9B
oklch(70.6% 0.055 169.9)
-
Step 500
500
#5B9882
oklch(63.2% 0.072 168.9)
-
Step 600
600 (this color)
#377B65
oklch(53.2% 0.078 169.5)
-
Step 700
700
#306E5A
oklch(49.1% 0.072 169.5)
-
Step 800
800
#295A4A
oklch(42.8% 0.06 169.7)
-
Step 900
900
#264A3D
oklch(37.8% 0.048 168.4)
-
Step 950
950
#172B24
oklch(26.9% 0.029 169.8)
#377B65 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) | #787364 | 0.080 |
| Deuteranopia (no green cones) | #6E6C66 | 0.077 |
| Tritanopia (no blue cones) | #197C75 | 0.027 |
| Achromatopsia (no color) | #6F6F6F | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377B65
#377B65
oklch(53.2% 0.078 169.5)
- #8E5973
#8E5973
oklch(53.1% 0.078 349.2)
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 #377B65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.038
- Teal #008080 ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.045
- Deep Turquoise #017374 ΔE 0.048
- Deep Aqua #08787F ΔE 0.048
- Dark Sage #598556 ΔE 0.055
- Sea Green #2E8B57 ΔE 0.060
- Dark Cyan #008B8B ΔE 0.062
Use #377B65 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.