#407F59
Closest named color: Dark Sage (#598556). oklch(54.3% 0.089 155.5), rgb(64, 127, 89).
Aa
White text reads best on this color (4.77:1).
About this color
#407F59 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.089 and its hue 155°. 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 4.77:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #407F59 |
| RGB | rgb(64, 127, 89) |
| HSL | hsl(144, 33%, 37%) |
| OKLCH | oklch(54.3% 0.089 155.5) |
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 #407F59 | 4.77:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #407F59 | 4.39:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #407F59 text on white | 4.77:1 | AA | Lc 73.0 | Content text, not long reading |
| #407F59 text on black | 4.39:1 | AA large text | Lc -28.7 | 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
#CEDED3
oklch(88.5% 0.023 155.9)
-
Step 300
300
#ADC9B6
oklch(81% 0.04 155.7)
-
Step 400
400
#81AD90
oklch(70.8% 0.063 155.6)
-
Step 500
500
#5F9874
oklch(63% 0.081 155.6)
-
Step 600
600 (this color)
#407F59
oklch(54.3% 0.089 155.5)
-
Step 700
700
#356F4C
oklch(49.2% 0.084 155.2)
-
Step 800
800
#2D5A3F
oklch(42.7% 0.068 155.8)
-
Step 900
900
#294A35
oklch(37.7% 0.053 155)
-
Step 950
950
#182B1F
oklch(26.8% 0.034 155.7)
#407F59 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) | #7F7657 | 0.081 |
| Deuteranopia (no green cones) | #75705B | 0.078 |
| Tritanopia (no blue cones) | #317E75 | 0.043 |
| Achromatopsia (no color) | #737373 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #407F59
#407F59
oklch(54.3% 0.089 155.5)
- #905B84
#905B84
oklch(54.3% 0.089 335.4)
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 #407F59, 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 0.039
- Military Green #667C3E ΔE 0.048
- Jungle Green #048243 ΔE 0.050
- Viridian #1E9167 ΔE 0.052
- Muddy Green #657432 ΔE 0.056
- Swamp #698339 ΔE 0.060
- Fern Green #548D44 ΔE 0.061
Use #407F59 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.