#427E64
Closest named color: Dark Sage (#598556). oklch(54.5% 0.076 163.9), rgb(66, 126, 100).
Aa
White text reads best on this color (4.77:1).
About this color
#427E64 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.076 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.041 away. White text reads best on it, at 4.77:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.40:1 |
| White text | 4.77:1 |
Values
| HEX | #427E64 |
| RGB | rgb(66, 126, 100) |
| HSL | hsl(154, 31%, 38%) |
| OKLCH | oklch(54.5% 0.076 163.9) |
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 #427E64 | 4.77:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #427E64 | 4.40:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #427E64 text on white | 4.77:1 | AA | Lc 73.0 | Content text, not long reading |
| #427E64 text on black | 4.40:1 | 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
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD6
oklch(88.4% 0.019 166.3)
-
Step 300
300
#ADC8BB
oklch(80.9% 0.034 164.9)
-
Step 400
400
#82AC97
oklch(70.8% 0.055 162.9)
-
Step 500
500
#60977E
oklch(63.1% 0.07 164)
-
Step 600
600 (this color)
#427E64
oklch(54.5% 0.076 163.9)
-
Step 700
700
#366D56
oklch(49% 0.07 164.4)
-
Step 800
800
#2E5946
oklch(42.7% 0.058 163.6)
-
Step 900
900
#29493B
oklch(37.6% 0.045 164.5)
-
Step 950
950
#192B23
oklch(27% 0.028 164.8)
#427E64 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) | #7C7763 | 0.074 |
| Deuteranopia (no green cones) | #737066 | 0.072 |
| Tritanopia (no blue cones) | #307E77 | 0.031 |
| Achromatopsia (no color) | #737373 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427E64
#427E64
oklch(54.5% 0.076 163.9)
- #8F5E7B
#8F5E7B
oklch(54.4% 0.075 343.6)
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 #427E64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.041
- Teal #008080 ΔE 0.048
- Bluegreen #017A79 ΔE 0.049
- Sea Green #2E8B57 ΔE 0.051
- Military Green #667C3E ΔE 0.058
- Viridian #1E9167 ΔE 0.058
- Deep Aqua #08787F ΔE 0.059
- Dark Aquamarine #017371 ΔE 0.059
Use #427E64 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.