#427C4D
Closest named color: Dark Sage (#598556). oklch(53.4% 0.095 148.6), rgb(66, 124, 77).
Aa
White text reads best on this color (4.97:1).
About this color
#427C4D is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.095 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.040 away. White text reads best on it, at 4.97:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.22:1 |
| White text | 4.97:1 |
Values
| HEX | #427C4D |
| RGB | rgb(66, 124, 77) |
| HSL | hsl(131, 31%, 37%) |
| OKLCH | oklch(53.4% 0.095 148.6) |
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 #427C4D | 4.97:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #427C4D | 4.22:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #427C4D text on white | 4.97:1 | AA | Lc 74.3 | Content text, not long reading |
| #427C4D text on black | 4.22:1 | AA large text | Lc -27.4 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CFDED1
oklch(88.6% 0.024 149.3)
-
Step 300
300
#AEC9B2
oklch(80.9% 0.043 149.5)
-
Step 400
400
#83AD89
oklch(70.7% 0.069 148.7)
-
Step 500
500
#63986C
oklch(63% 0.087 148.8)
-
Step 600
600 (this color)
#427C4D
oklch(53.4% 0.095 148.6)
-
Step 700
700
#3A6E44
oklch(49% 0.087 148.6)
-
Step 800
800
#305A38
oklch(42.7% 0.073 148.7)
-
Step 900
900
#2B4A30
oklch(37.7% 0.058 148.3)
-
Step 950
950
#1A2B1C
oklch(26.9% 0.036 147.4)
#427C4D 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) | #7D734A | 0.078 |
| Deuteranopia (no green cones) | #756D50 | 0.078 |
| Tritanopia (no blue cones) | #387A70 | 0.054 |
| Achromatopsia (no color) | #707070 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427C4D
#427C4D
oklch(53.4% 0.095 148.6)
- #8B5888
#8B5888
oklch(53.4% 0.095 328.9)
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 #427C4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.040
- Jungle Green #048243 ΔE 0.042
- Military Green #667C3E ΔE 0.043
- Sea Green #2E8B57 ΔE 0.044
- Muddy Green #657432 ΔE 0.046
- Dark Olive Green #556B2F ΔE 0.053
- Dark Moss Green #606C38 ΔE 0.053
- Swamp #698339 ΔE 0.057
Use #427C4D 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.