#437C5E
Closest named color: Dark Sage (#598556). oklch(53.8% 0.077 159.3), rgb(67, 124, 94).
Aa
White text reads best on this color (4.90:1).
About this color
#437C5E is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.077 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.042 away. White text reads best on it, at 4.90:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.28:1 |
| White text | 4.90:1 |
Values
| HEX | #437C5E |
| RGB | rgb(67, 124, 94) |
| HSL | hsl(148, 30%, 37%) |
| OKLCH | oklch(53.8% 0.077 159.3) |
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 #437C5E | 4.90:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #437C5E | 4.28:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #437C5E text on white | 4.90:1 | AA | Lc 73.8 | Content text, not long reading |
| #437C5E text on black | 4.28:1 | AA large text | Lc -27.9 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CFDDD5
oklch(88.5% 0.019 161.1)
-
Step 300
300
#AEC8B9
oklch(80.9% 0.035 160.2)
-
Step 400
400
#83AC94
oklch(70.8% 0.057 158.9)
-
Step 500
500
#63977A
oklch(63.1% 0.071 159.1)
-
Step 600
600 (this color)
#437C5E
oklch(53.8% 0.077 159.3)
-
Step 700
700
#396D52
oklch(49% 0.072 159.5)
-
Step 800
800
#305943
oklch(42.7% 0.06 159)
-
Step 900
900
#2B4939
oklch(37.6% 0.046 159.9)
-
Step 950
950
#1A2B21
oklch(27% 0.029 157.9)
#437C5E 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) | #7B745C | 0.073 |
| Deuteranopia (no green cones) | #726E60 | 0.071 |
| Tritanopia (no blue cones) | #357B74 | 0.035 |
| Achromatopsia (no color) | #717171 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437C5E
#437C5E
oklch(53.8% 0.077 159.3)
- #8C5C7D
#8C5C7D
oklch(53.8% 0.078 339)
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 #437C5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.042
- Sea Green #2E8B57 ΔE 0.052
- Bluegreen #017A79 ΔE 0.053
- Military Green #667C3E ΔE 0.053
- Teal #008080 ΔE 0.054
- Muddy Green #657432 ΔE 0.059
- Dark Aquamarine #017371 ΔE 0.060
- Dark Moss Green #606C38 ΔE 0.060
Use #437C5E 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.