#45B51E
Closest named color: Leafy Green (#51B73B). oklch(68.2% 0.206 139.6), rgb(69, 181, 30).
Aa
Black text reads best on this color (7.88:1).
About this color
#45B51E is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.206 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.022 away. Black text reads best on it, at 7.88:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.206) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 7.88:1 |
| White text | 2.66:1 |
Values
| HEX | #45B51E |
| RGB | rgb(69, 181, 30) |
| HSL | hsl(105, 72%, 41%) |
| OKLCH | oklch(68.2% 0.206 139.6) |
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 #45B51E | 2.66:1 | Fails | Lc -56.5 | Large or bold text, headings |
| Black text on #45B51E | 7.88:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #45B51E text on white | 2.66:1 | Fails | Lc 51.4 | Large or bold text, headings |
| #45B51E text on black | 7.88:1 | AAA | Lc -50.5 | 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
#DDF0D9
oklch(93.5% 0.037 140.2)
-
Step 200
200
#C1E5B8
oklch(88.4% 0.071 139.4)
-
Step 300
300
#94D584
oklch(81% 0.128 139.5)
-
Step 400
400 (this color)
#45B51E
oklch(68.2% 0.206 139.6)
-
Step 500
500
#36A400
oklch(63.1% 0.201 139.5)
-
Step 600
600
#2C8A00
oklch(55.6% 0.177 139.5)
-
Step 700
700
#237400
oklch(49% 0.157 139.6)
-
Step 800
800
#1B5F00
oklch(42.6% 0.136 139.6)
-
Step 900
900
#155000
oklch(37.8% 0.121 139.7)
-
Step 950
950
#093000
oklch(27.1% 0.087 139.7)
#45B51E 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) | #BAA400 | 0.137 |
| Deuteranopia (no green cones) | #AD9B32 | 0.137 |
| Tritanopia (no blue cones) | #36AF9A | 0.139 |
| Achromatopsia (no color) | #9E9E9E | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45B51E
#45B51E
oklch(68.2% 0.206 139.6)
- #CE66E7
#CE66E7
oklch(68.3% 0.206 319.5)
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 #45B51E, closest first.
No curated palette has a color within ΔE 0.04 of #45B51E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.022
- Frog Green #58BC08 ΔE 0.027
- Grass #5CAC2D ΔE 0.033
- Leaf Green #5CA904 ΔE 0.034
- Shamrock #01B44C ΔE 0.036
- Shamrock Green #02C14D ΔE 0.039
- Medium Green #39AD48 ΔE 0.042
- Kelly Green #02AB2E ΔE 0.042
Use #45B51E 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.