#42A044
Closest named color: Mid Green (#50A747). oklch(62.8% 0.157 143.8), rgb(66, 160, 68).
Aa
Black text reads best on this color (6.34:1).
About this color
#42A044 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.157 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.025 away. Black text reads best on it, at 6.34:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.34:1 |
| White text | 3.31:1 |
Values
| HEX | #42A044 |
| RGB | rgb(66, 160, 68) |
| HSL | hsl(121, 42%, 44%) |
| OKLCH | oklch(62.8% 0.157 143.8) |
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 #42A044 | 3.31:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #42A044 | 6.34:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #42A044 text on white | 3.31:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #42A044 text on black | 6.34:1 | AA | Lc -41.5 | 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 500.
-
Step 50
50
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE1
oklch(93.6% 0.022 145.4)
-
Step 200
200
#C9E1C8
oklch(88.5% 0.042 144.1)
-
Step 300
300
#A3CEA1
oklch(80.9% 0.077 143.7)
-
Step 400
400
#6FB46E
oklch(70.6% 0.122 143.8)
-
Step 500
500 (this color)
#42A044
oklch(62.8% 0.157 143.8)
-
Step 600
600
#188B22
oklch(55.6% 0.171 143.7)
-
Step 700
700
#037614
oklch(49.1% 0.159 143.8)
-
Step 800
800
#0D6015
oklch(42.7% 0.131 143.8)
-
Step 900
900
#174F19
oklch(37.8% 0.103 143.7)
-
Step 950
950
#0F2E10
oklch(26.9% 0.064 144.1)
#42A044 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) | #A3923B | 0.116 |
| Deuteranopia (no green cones) | #978A4B | 0.116 |
| Tritanopia (no blue cones) | #319C8C | 0.099 |
| Achromatopsia (no color) | #8D8D8D | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42A044
#42A044
oklch(62.8% 0.157 143.8)
- #B663BE
#B663BE
oklch(62.8% 0.158 323.9)
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 #42A044, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.025
- Muted Green #5FA052 ΔE 0.033
- Medium Green #39AD48 ΔE 0.037
- Grass Green #3F9B0B ΔE 0.038
- Grassy Green #419C03 ΔE 0.038
- Flat Green #699D4C ΔE 0.040
- Fern #63A950 ΔE 0.044
- Off Green #6BA353 ΔE 0.046
Use #42A044 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.