#428665
Closest named color: Dark Sage (#598556). oklch(56.6% 0.087 160.7), rgb(66, 134, 101).
Aa
Black text reads best on this color (4.82:1).
About this color
#428665 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.087 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.027 away. Black text reads best on it, at 4.82:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.82:1 |
| White text | 4.34:1 |
Values
| HEX | #428665 |
| RGB | rgb(66, 134, 101) |
| HSL | hsl(151, 34%, 39%) |
| OKLCH | oklch(56.6% 0.087 160.7) |
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 #428665 | 4.34:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #428665 | 4.82:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #428665 text on white | 4.34:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #428665 text on black | 4.82:1 | AA | Lc -31.7 | Non-text elements, placeholder text |
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
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#ACC9B8
oklch(81% 0.039 159.7)
-
Step 400
400
#7EAD94
oklch(70.7% 0.062 161)
-
Step 500
500
#5B9979
oklch(63.2% 0.081 160.4)
-
Step 600
600 (this color)
#428665
oklch(56.6% 0.087 160.7)
-
Step 700
700
#306F51
oklch(49.1% 0.082 160.5)
-
Step 800
800
#295A43
oklch(42.6% 0.066 161.3)
-
Step 900
900
#264A38
oklch(37.6% 0.052 160.6)
-
Step 950
950
#172B21
oklch(26.8% 0.032 161.4)
#428665 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) | #847D63 | 0.083 |
| Deuteranopia (no green cones) | #7A7667 | 0.081 |
| Tritanopia (no blue cones) | #2E867D | 0.037 |
| Achromatopsia (no color) | #797979 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428665
#428665
oklch(56.6% 0.087 160.7)
- #996186
#996186
oklch(56.6% 0.088 340.5)
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 #428665, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.027
- Sea Green #2E8B57 ΔE 0.033
- Viridian #1E9167 ΔE 0.036
- Slate Green #658D6D ΔE 0.046
- Light Forest Green #4F9153 ΔE 0.049
- Dusty Teal #4C9085 ΔE 0.052
- Ocean Green #3D9973 ΔE 0.055
- Fern Green #548D44 ΔE 0.055
Use #428665 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.