#427C53
Closest named color: Dark Sage (#598556). oklch(53.5% 0.089 151.8), rgb(66, 124, 83).
Aa
White text reads best on this color (4.95:1).
About this color
#427C53 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.089 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 0.039 away. White text reads best on it, at 4.95:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #427C53 |
| RGB | rgb(66, 124, 83) |
| HSL | hsl(138, 31%, 37%) |
| OKLCH | oklch(53.5% 0.089 151.8) |
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 #427C53 | 4.95:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #427C53 | 4.23:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #427C53 text on white | 4.95:1 | AA | Lc 74.1 | Content text, not long reading |
| #427C53 text on black | 4.23:1 | AA large text | Lc -27.6 | 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
#AEC8B4
oklch(80.8% 0.04 152.3)
-
Step 400
400
#83AD8D
oklch(70.8% 0.065 151.8)
-
Step 500
500
#639871
oklch(63.1% 0.082 151.9)
-
Step 600
600 (this color)
#427C53
oklch(53.5% 0.089 151.8)
-
Step 700
700
#396E49
oklch(49.1% 0.082 152.1)
-
Step 800
800
#305A3C
oklch(42.8% 0.069 151.8)
-
Step 900
900
#2B4A33
oklch(37.8% 0.054 151.3)
-
Step 950
950
#1A2B1E
oklch(27% 0.033 151.1)
#427C53 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) | #7C7450 | 0.076 |
| Deuteranopia (no green cones) | #746E55 | 0.075 |
| Tritanopia (no blue cones) | #367A71 | 0.047 |
| Achromatopsia (no color) | #707070 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427C53
#427C53
oklch(53.5% 0.089 151.8)
- #8B5984
#8B5984
oklch(53.4% 0.089 331.8)
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 #427C53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.039
- Sea Green #2E8B57 ΔE 0.045
- Military Green #667C3E ΔE 0.045
- Jungle Green #048243 ΔE 0.048
- Muddy Green #657432 ΔE 0.050
- Dark Moss Green #606C38 ΔE 0.054
- Dark Olive Green #556B2F ΔE 0.056
- Swamp #698339 ΔE 0.060
Use #427C53 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.