#42A449
Closest named color: Mid Green (#50A747). oklch(64% 0.158 144.7), rgb(66, 164, 73).
Aa
Black text reads best on this color (6.63:1).
About this color
#42A449 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.158 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.015 away. Black text reads best on it, at 6.63:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.63:1 |
| White text | 3.16:1 |
Values
| HEX | #42A449 |
| RGB | rgb(66, 164, 73) |
| HSL | hsl(124, 43%, 45%) |
| OKLCH | oklch(64% 0.158 144.7) |
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 #42A449 | 3.16:1 | AA large text | Lc -63.8 | Content text, not long reading |
| Black text on #42A449 | 6.63:1 | AA | Lc 45.6 | Large or bold text, headings |
| #42A449 text on white | 3.16:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #42A449 text on black | 6.63:1 | AA | Lc -43.3 | 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
#C8E1C8
oklch(88.4% 0.043 145.2)
-
Step 300
300
#A2CEA2
oklch(80.8% 0.077 144.8)
-
Step 400
400
#6DB56F
oklch(70.8% 0.124 144.7)
-
Step 500
500 (this color)
#42A449
oklch(64% 0.158 144.7)
-
Step 600
600
#0D8B25
oklch(55.5% 0.172 144.7)
-
Step 700
700
#00761A
oklch(49.2% 0.156 144.6)
-
Step 800
800
#056016
oklch(42.6% 0.132 144.7)
-
Step 900
900
#144F1A
oklch(37.7% 0.103 144.7)
-
Step 950
950
#0E2E10
oklch(26.9% 0.065 144.6)
#42A449 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) | #A79640 | 0.119 |
| Deuteranopia (no green cones) | #9A8D50 | 0.119 |
| Tritanopia (no blue cones) | #2FA090 | 0.098 |
| Achromatopsia (no color) | #919191 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42A449
#42A449
oklch(64% 0.158 144.7)
- #BA66C1
#BA66C1
oklch(63.9% 0.159 324.3)
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 #42A449, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.015
- Medium Green #39AD48 ΔE 0.027
- Muted Green #5FA052 ΔE 0.031
- Fern #63A950 ΔE 0.035
- Dark Pastel Green #56AE57 ΔE 0.037
- Seaweed Green #35AD6B ΔE 0.040
- Flat Green #699D4C ΔE 0.040
- Jade Green #2BAF6A ΔE 0.040
Use #42A449 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.