#437E55
Closest named color: Dark Sage (#598556). oklch(54.1% 0.09 152.3), rgb(67, 126, 85).
Aa
White text reads best on this color (4.82:1).
About this color
#437E55 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.090 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.034 away. White text reads best on it, at 4.82:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.35:1 |
| White text | 4.82:1 |
Values
| HEX | #437E55 |
| RGB | rgb(67, 126, 85) |
| HSL | hsl(138, 31%, 38%) |
| OKLCH | oklch(54.1% 0.09 152.3) |
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 #437E55 | 4.82:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #437E55 | 4.35:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #437E55 text on white | 4.82:1 | AA | Lc 73.3 | Content text, not long reading |
| #437E55 text on black | 4.35:1 | AA large text | Lc -28.4 | 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
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CFDED2
oklch(88.6% 0.023 151.6)
-
Step 300
300
#AEC9B4
oklch(81% 0.041 152)
-
Step 400
400
#83AD8D
oklch(70.8% 0.065 151.8)
-
Step 500
500
#629871
oklch(63.1% 0.082 152.3)
-
Step 600
600 (this color)
#437E55
oklch(54.1% 0.09 152.3)
-
Step 700
700
#386E49
oklch(49% 0.083 152.4)
-
Step 800
800
#2F5A3C
oklch(42.7% 0.07 152.2)
-
Step 900
900
#2A4A33
oklch(37.7% 0.055 152)
-
Step 950
950
#192B1E
oklch(26.9% 0.034 152.4)
#437E55 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) | #7E7552 | 0.078 |
| Deuteranopia (no green cones) | #756F57 | 0.076 |
| Tritanopia (no blue cones) | #377C73 | 0.047 |
| Achromatopsia (no color) | #727272 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437E55
#437E55
oklch(54.1% 0.09 152.3)
- #8E5B86
#8E5B86
oklch(54.2% 0.09 332.5)
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 #437E55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.034
- Sea Green #2E8B57 ΔE 0.040
- Military Green #667C3E ΔE 0.044
- Jungle Green #048243 ΔE 0.048
- Muddy Green #657432 ΔE 0.051
- Viridian #1E9167 ΔE 0.055
- Swamp #698339 ΔE 0.057
- Dark Moss Green #606C38 ΔE 0.058
Use #437E55 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.