#42A533
Closest named color: Mid Green (#50A747). oklch(64% 0.177 141.2), rgb(66, 165, 51).
Aa
Black text reads best on this color (6.66:1).
About this color
#42A533 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.177 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.023 away. Black text reads best on it, at 6.66:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.66:1 |
| White text | 3.15:1 |
Values
| HEX | #42A533 |
| RGB | rgb(66, 165, 51) |
| HSL | hsl(112, 53%, 42%) |
| OKLCH | oklch(64% 0.177 141.2) |
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 #42A533 | 3.15:1 | AA large text | Lc -63.6 | Content text, not long reading |
| Black text on #42A533 | 6.66:1 | AA | Lc 45.8 | Large or bold text, headings |
| #42A533 text on white | 3.15:1 | AA large text | Lc 58.2 | Large or bold text, headings |
| #42A533 text on black | 6.66:1 | AA | Lc -43.5 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C8E2C4
oklch(88.6% 0.049 141.4)
-
Step 300
300
#A2CF9B
oklch(80.9% 0.086 141.3)
-
Step 400
400
#6CB662
oklch(70.8% 0.139 141.4)
-
Step 500
500 (this color)
#42A533
oklch(64% 0.177 141.2)
-
Step 600
600
#1C8B00
oklch(55.5% 0.183 141.2)
-
Step 700
700
#167500
oklch(49% 0.162 141.2)
-
Step 800
800
#106000
oklch(42.6% 0.141 141.2)
-
Step 900
900
#144F0A
oklch(37.6% 0.115 141.2)
-
Step 950
950
#0E2F09
oklch(27.1% 0.074 141.2)
#42A533 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) | #A99623 | 0.122 |
| Deuteranopia (no green cones) | #9D8E3E | 0.123 |
| Tritanopia (no blue cones) | #33A08E | 0.117 |
| Achromatopsia (no color) | #919191 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42A533
#42A533
oklch(64% 0.177 141.2)
- #BB62CC
#BB62CC
oklch(64% 0.176 321)
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 #42A533, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.023
- Medium Green #39AD48 ΔE 0.025
- Kelly Green #02AB2E ΔE 0.028
- Grassy Green #419C03 ΔE 0.031
- Leaf Green #5CA904 ΔE 0.031
- Grass #5CAC2D ΔE 0.032
- Grass Green #3F9B0B ΔE 0.033
- Shamrock #01B44C ΔE 0.043
Use #42A533 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.