#427739
Closest named color: Dark Olive Green (#556B2F). oklch(51.7% 0.109 140.8), rgb(66, 119, 57).
Aa
White text reads best on this color (5.34:1).
About this color
#427739 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.109 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.038 away. White text reads best on it, at 5.34:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #427739 |
| RGB | rgb(66, 119, 57) |
| HSL | hsl(111, 35%, 35%) |
| OKLCH | oklch(51.7% 0.109 140.8) |
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 #427739 | 5.34:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #427739 | 3.92:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #427739 text on white | 5.34:1 | AA | Lc 76.4 | Fine for body text |
| #427739 text on black | 3.92:1 | AA large text | Lc -25.3 | 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 700.
-
Step 50
50
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E5EDE3
oklch(93.7% 0.016 139.4)
-
Step 200
200
#CFDECC
oklch(88.4% 0.029 140.5)
-
Step 300
300
#AFCAAA
oklch(81% 0.053 140.7)
-
Step 400
400
#84AE7C
oklch(70.7% 0.084 140.5)
-
Step 500
500
#649A5B
oklch(63.2% 0.108 140.9)
-
Step 600
600
#4A8440
oklch(55.7% 0.117 140.8)
-
Step 700
700 (this color)
#427739
oklch(51.7% 0.109 140.8)
-
Step 800
800
#315B2A
oklch(42.8% 0.09 140.9)
-
Step 900
900
#2C4B26
oklch(37.8% 0.071 140.4)
-
Step 950
950
#1A2C17
oklch(27.1% 0.045 140.9)
#427739 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) | #7A6E34 | 0.077 |
| Deuteranopia (no green cones) | #72693D | 0.076 |
| Tritanopia (no blue cones) | #3D7469 | 0.072 |
| Achromatopsia (no color) | #6B6B6B | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #427739
#427739
oklch(51.7% 0.109 140.8)
- #84518E
#84518E
oklch(51.6% 0.11 320.9)
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 #427739, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.038
- Jungle Green #048243 ΔE 0.041
- Muddy Green #657432 ΔE 0.042
- Dark Moss Green #606C38 ΔE 0.047
- Tree Green #2A7E19 ΔE 0.047
- Military Green #667C3E ΔE 0.049
- Camo Green #526525 ΔE 0.053
- Dark Grass Green #388004 ΔE 0.054
Use #427739 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.