#43B123
Closest named color: Leaf Green (#5CA904). oklch(67.1% 0.2 140), rgb(67, 177, 35).
Aa
Black text reads best on this color (7.55:1).
About this color
#43B123 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.200 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.025 away. Black text reads best on it, at 7.55:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.200) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 7.55:1 |
| White text | 2.78:1 |
Values
| HEX | #43B123 |
| RGB | rgb(67, 177, 35) |
| HSL | hsl(106, 67%, 42%) |
| OKLCH | oklch(67.1% 0.2 140) |
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 #43B123 | 2.78:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #43B123 | 7.55:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #43B123 text on white | 2.78:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #43B123 text on black | 7.55:1 | AAA | Lc -48.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DEF0D9
oklch(93.6% 0.036 138.9)
-
Step 200
200
#C2E5BA
oklch(88.5% 0.069 139.8)
-
Step 300
300
#94D486
oklch(80.8% 0.125 140)
-
Step 400
400 (this color)
#43B123
oklch(67.1% 0.2 140)
-
Step 500
500
#32A400
oklch(63% 0.202 139.9)
-
Step 600
600
#298A00
oklch(55.5% 0.178 139.9)
-
Step 700
700
#217400
oklch(49% 0.157 139.9)
-
Step 800
800
#196000
oklch(42.8% 0.138 140)
-
Step 900
900
#145000
oklch(37.8% 0.121 139.9)
-
Step 950
950
#083000
oklch(27.1% 0.087 140)
#43B123 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) | #B6A000 | 0.134 |
| Deuteranopia (no green cones) | #A99834 | 0.134 |
| Tritanopia (no blue cones) | #34AB97 | 0.135 |
| Achromatopsia (no color) | #9B9B9B | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43B123
#43B123
oklch(67.1% 0.2 140)
- #C964E0
#C964E0
oklch(67% 0.2 319.9)
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 #43B123, closest first.
No curated palette has a color within ΔE 0.04 of #43B123.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.025
- Grass #5CAC2D ΔE 0.025
- Leafy Green #51B73B ΔE 0.026
- Shamrock #01B44C ΔE 0.031
- Kelly Green #02AB2E ΔE 0.032
- Medium Green #39AD48 ΔE 0.033
- Frog Green #58BC08 ΔE 0.039
- Shamrock Green #02C14D ΔE 0.046
Use #43B123 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.