#428154
Closest named color: Dark Sage (#598556). oklch(54.9% 0.096 151.4), rgb(66, 129, 84).
Aa
White text reads best on this color (4.66:1).
About this color
#428154 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.096 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.029 away. White text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.49:1 |
| White text | 4.66:1 |
Values
| HEX | #428154 |
| RGB | rgb(66, 129, 84) |
| HSL | hsl(137, 32%, 38%) |
| OKLCH | oklch(54.9% 0.096 151.4) |
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 #428154 | 4.66:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #428154 | 4.49:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #428154 text on white | 4.66:1 | AA | Lc 72.2 | Content text, not long reading |
| #428154 text on black | 4.49:1 | AA large text | Lc -29.4 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED1
oklch(88.5% 0.025 151.1)
-
Step 300
300
#ADC9B3
oklch(80.9% 0.043 151.7)
-
Step 400
400
#81AD8B
oklch(70.6% 0.068 151.3)
-
Step 500
500
#5F996E
oklch(63.1% 0.089 151.4)
-
Step 600
600 (this color)
#428154
oklch(54.9% 0.096 151.4)
-
Step 700
700
#356F46
oklch(49.1% 0.09 151.4)
-
Step 800
800
#2D5A3A
oklch(42.6% 0.073 151.6)
-
Step 900
900
#294A32
oklch(37.6% 0.057 151.6)
-
Step 950
950
#182C1D
oklch(27.1% 0.038 151.1)
#428154 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) | #817851 | 0.081 |
| Deuteranopia (no green cones) | #787257 | 0.080 |
| Tritanopia (no blue cones) | #357F75 | 0.051 |
| Achromatopsia (no color) | #747474 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428154
#428154
oklch(54.9% 0.096 151.4)
- #915B8B
#915B8B
oklch(54.8% 0.097 330.8)
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 #428154, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.029
- Sea Green #2E8B57 ΔE 0.031
- Military Green #667C3E ΔE 0.043
- Jungle Green #048243 ΔE 0.044
- Viridian #1E9167 ΔE 0.047
- Fern Green #548D44 ΔE 0.051
- Swamp #698339 ΔE 0.052
- Light Forest Green #4F9153 ΔE 0.053
Use #428154 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.